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4x + 11y =-3 EQ.1 -6x = 18y – 6 EQ.2

4x + 11y =-3 EQ.1 -6x = 18y – 6 EQ.2

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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(3х - 10у %3D8 2x-4y = 8 EQ.1 3x – 10y = 8 EQ.1 Solve Eq. 2 for x and type it in the emply box (left). EQ.2 EQ.2 2y+4 SUBSTITUTE EQ.2 INTO EQ. 1 SOLVE FOR THE OTHER VARIABLE Substitute the expression representing x from Eq. 2 into Eq. 1 then solve the equation. Substitute the value found in Step 3 into either of the original equations. For this problem, plug the value of y into original Eq. 1 to determine the value of x. 30 2y+4 - 10y = 8 Зх— 10( 1 = 8 %3D 6y+12-10y=8 -4y+12=8 -12 -12 3x-10=8 +10 +10 3x=18 -4y=-4 y%31 x-6 RECORD THE SOLUTION WRITE AS AN ORDERED PAIR 6. 1 (6,1) %3D X = EXAMPLE O Math Beach Solutions LLC
Transcribed Image Text:(3х - 10у %3D8 2x-4y = 8 EQ.1 3x – 10y = 8 EQ.1 Solve Eq. 2 for x and type it in the emply box (left). EQ.2 EQ.2 2y+4 SUBSTITUTE EQ.2 INTO EQ. 1 SOLVE FOR THE OTHER VARIABLE Substitute the expression representing x from Eq. 2 into Eq. 1 then solve the equation. Substitute the value found in Step 3 into either of the original equations. For this problem, plug the value of y into original Eq. 1 to determine the value of x. 30 2y+4 - 10y = 8 Зх— 10( 1 = 8 %3D 6y+12-10y=8 -4y+12=8 -12 -12 3x-10=8 +10 +10 3x=18 -4y=-4 y%31 x-6 RECORD THE SOLUTION WRITE AS AN ORDERED PAIR 6. 1 (6,1) %3D X = EXAMPLE O Math Beach Solutions LLC
4x+11y = -3 EQ.1 4x + 11y =-3 EQ.1 Solve Eq. 2 for x and fype it in the emply box (left). -6x 18у - 6 Е0.2 X = EQ.2 SUBSTITUTE EQ.2 INTO EQ. 1 SOLVE FOR THE OTHER VARIABLE Substitute the expression representing x from Eq. 2 into Eq. 1 then solve the equation. Substitute the value found in Step 3 into either of the original equations. For this problem, plug the value of y into original Eq. 2 to determine the value of x. D+11y = -3 -6x 18( 9- RECORD THE SOLUTION WRITE AS AN ORDERED PAIR X = y = C OMath Beach Solutions LLC
Transcribed Image Text:4x+11y = -3 EQ.1 4x + 11y =-3 EQ.1 Solve Eq. 2 for x and fype it in the emply box (left). -6x 18у - 6 Е0.2 X = EQ.2 SUBSTITUTE EQ.2 INTO EQ. 1 SOLVE FOR THE OTHER VARIABLE Substitute the expression representing x from Eq. 2 into Eq. 1 then solve the equation. Substitute the value found in Step 3 into either of the original equations. For this problem, plug the value of y into original Eq. 2 to determine the value of x. D+11y = -3 -6x 18( 9- RECORD THE SOLUTION WRITE AS AN ORDERED PAIR X = y = C OMath Beach Solutions LLC
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