2(3m-7)-4(m+7)=

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Solution for 2(3m-7)-4(m+7)= equation:


Simplifying
2(3m + -7) + -4(m + 7) = 0

Reorder the terms:
2(-7 + 3m) + -4(m + 7) = 0
(-7 * 2 + 3m * 2) + -4(m + 7) = 0
(-14 + 6m) + -4(m + 7) = 0

Reorder the terms:
-14 + 6m + -4(7 + m) = 0
-14 + 6m + (7 * -4 + m * -4) = 0
-14 + 6m + (-28 + -4m) = 0

Reorder the terms:
-14 + -28 + 6m + -4m = 0

Combine like terms: -14 + -28 = -42
-42 + 6m + -4m = 0

Combine like terms: 6m + -4m = 2m
-42 + 2m = 0

Solving
-42 + 2m = 0

Solving for variable 'm'.

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

Add '42' to each side of the equation.
-42 + 42 + 2m = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 2m = 0 + 42
2m = 0 + 42

Combine like terms: 0 + 42 = 42
2m = 42

Divide each side by '2'.
m = 21

Simplifying
m = 21

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