Homework Help: Pre-Algrebra

Posted by Samantha on Saturday, February 4, 2012 at 10:43am.

Solve the equation.

78=-2(m+3)+m

-1/3m-7=5

1/4y+9=1/2

x-9=-6x+5

x+9=5(4x-2)

Can you please show me how you got your answer.

Pre-Algrebra - martha, Saturday, February 4, 2012 at 10:47am
1. first distribute
2(m+3) = 2m + 6

then add like terms together

3m + 6 = 78

then sub. 6

3m= 72

last divide by 3
m=24

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