Question

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Jolie solves a system of equations. Is her system solved correctly? Why or why not? Explain your reasons. y=4x+6 2x+7y=72 Jolie's solution:
2x+7(4x+6)=72
2x+7x+42=72
9x+42=72
9x = 30
x= 30/9
y=4(30/9)+6
y=58/3

Answer 1

Incorect, you messed up on the second step. 7x4x is not 7x, it is 28x.