Solve the equation for the given variable. If your answer is a fraction, write it in reduced, fractional form Do NOT convert the answer to a decimal. If the equation has no solution enter "No solution". If the equation is true for all real numbers enter "All real numbers". −5( − 15z + 3) + 21 15(5z + 1) - 9 Answer: z = =

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Q: Which equation has no real Solutions? Ax+2x+l=0 7. +2x+1%=0 BX+4x+2=0 ©*+5x+7=0 6x+ 6x+8=0

A: For real solution check the discriminant of all rhe quadratic equation.

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Q: Decide whether the given number is a solution of the given equation.  Is -4 a solution of x + 9 = 5?

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Q: Solve the equation. Express 77? - 5x=0 x3D

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Q: solve by using substituion or elimation by addition -2x+3y=-4 12x-18y=25

A: Given equations are -2x+3y = -4    __(1) 12x-18y = 25   __(2)