7=m-(-3)

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Solution for 7=m-(-3) equation:


7=m-(-3)

We simplify the equation to the form, which is simple to understand 
7=m-(-3)

Remove unnecessary parentheses
7=m+3

We move all terms containing m to the left and all other terms to the right. 
-1m=+3-7

We simplify left and right side of the equation. 
-1m=-4

We divide both sides of the equation by -01 to get m. 
m=4

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