Step 1: Choose one equation to begin. (Suggestion: Choose the equation that has a variable already isolated or close to being isolated.) y = 2x – 1 2x + 5y = 7 Step 2: Is a variable isolated? If Yes, continue to Step 3. If No, isolate one of the variables. Step 3: Box the expression that is equal to the isolated variable. Step 4: Using the other equation, substitute the boxed expression for the equations, substitute the known value isolated variable and solve for the only and solve for the unknown value. variable left. Step 5: Using either of the original Step 6: Check your solution and write your answer:

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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A Math 8: MP3 F... Tofayl Khan - MUD9LSN18- S22
Step 1: Choose one equation to begin. (Suggestion: Choose the equation that
has a variable already isolated or close to being isolated.).
y = 2x – 1
2x + 5y = 7
Step 2: Is a variable isolated?
If Yes, continue to Step 3.
If No, isolate one of the variables.
Step 3: Box the expression that is equal to the isolated variable.
Step 4: Using the other equation,
substitute the boxed expression for the equations, substitute the known value
isolated variable and solve for the only and solve for the unknown value.
variable left.
Step 5: Using either of the original
Step 6: Check your solution and write
your answer:
acer
Transcribed Image Text:A Math 8: MP3 F... Tofayl Khan - MUD9LSN18- S22 Step 1: Choose one equation to begin. (Suggestion: Choose the equation that has a variable already isolated or close to being isolated.). y = 2x – 1 2x + 5y = 7 Step 2: Is a variable isolated? If Yes, continue to Step 3. If No, isolate one of the variables. Step 3: Box the expression that is equal to the isolated variable. Step 4: Using the other equation, substitute the boxed expression for the equations, substitute the known value isolated variable and solve for the only and solve for the unknown value. variable left. Step 5: Using either of the original Step 6: Check your solution and write your answer: acer
Expert Solution
Step 1

Step-1. given system of equations

                                                         y=2x-12x+5y=7

Step-2. in first equation variables are isolated. 

Step-3.                                                       y=2x-1

Step-4. we are putting isolated variable equation into other

                                              2x+5y=72x+5(2x-1)=72x+10x-5=712x=7+5=1212x=12x=1212x=1

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