4(m-1)-(m+3)=8

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Solution for 4(m-1)-(m+3)=8 equation:


Simplifying
4(m + -1) + -1(m + 3) = 8

Reorder the terms:
4(-1 + m) + -1(m + 3) = 8
(-1 * 4 + m * 4) + -1(m + 3) = 8
(-4 + 4m) + -1(m + 3) = 8

Reorder the terms:
-4 + 4m + -1(3 + m) = 8
-4 + 4m + (3 * -1 + m * -1) = 8
-4 + 4m + (-3 + -1m) = 8

Reorder the terms:
-4 + -3 + 4m + -1m = 8

Combine like terms: -4 + -3 = -7
-7 + 4m + -1m = 8

Combine like terms: 4m + -1m = 3m
-7 + 3m = 8

Solving
-7 + 3m = 8

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + 3m = 8 + 7

Combine like terms: -7 + 7 = 0
0 + 3m = 8 + 7
3m = 8 + 7

Combine like terms: 8 + 7 = 15
3m = 15

Divide each side by '3'.
m = 5

Simplifying
m = 5

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