10(8+m)=-120

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Solution for 10(8+m)=-120 equation:



10(8+m)=-120
We move all terms to the left:
10(8+m)-(-120)=0
We add all the numbers together, and all the variables
10(m+8)-(-120)=0
We add all the numbers together, and all the variables
10(m+8)+120=0
We multiply parentheses
10m+80+120=0
We add all the numbers together, and all the variables
10m+200=0
We move all terms containing m to the left, all other terms to the right
10m=-200
m=-200/10
m=-20

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