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

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


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

Reorder the terms:
3(-7 + m) = 4(m + -3)
(-7 * 3 + m * 3) = 4(m + -3)
(-21 + 3m) = 4(m + -3)

Reorder the terms:
-21 + 3m = 4(-3 + m)
-21 + 3m = (-3 * 4 + m * 4)
-21 + 3m = (-12 + 4m)

Solving
-21 + 3m = -12 + 4m

Solving for variable 'm'.

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

Add '-4m' to each side of the equation.
-21 + 3m + -4m = -12 + 4m + -4m

Combine like terms: 3m + -4m = -1m
-21 + -1m = -12 + 4m + -4m

Combine like terms: 4m + -4m = 0
-21 + -1m = -12 + 0
-21 + -1m = -12

Add '21' to each side of the equation.
-21 + 21 + -1m = -12 + 21

Combine like terms: -21 + 21 = 0
0 + -1m = -12 + 21
-1m = -12 + 21

Combine like terms: -12 + 21 = 9
-1m = 9

Divide each side by '-1'.
m = -9

Simplifying
m = -9

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