4(m-7)=9(m+8)

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Solution for 4(m-7)=9(m+8) equation:


Simplifying
4(m + -7) = 9(m + 8)

Reorder the terms:
4(-7 + m) = 9(m + 8)
(-7 * 4 + m * 4) = 9(m + 8)
(-28 + 4m) = 9(m + 8)

Reorder the terms:
-28 + 4m = 9(8 + m)
-28 + 4m = (8 * 9 + m * 9)
-28 + 4m = (72 + 9m)

Solving
-28 + 4m = 72 + 9m

Solving for variable 'm'.

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

Add '-9m' to each side of the equation.
-28 + 4m + -9m = 72 + 9m + -9m

Combine like terms: 4m + -9m = -5m
-28 + -5m = 72 + 9m + -9m

Combine like terms: 9m + -9m = 0
-28 + -5m = 72 + 0
-28 + -5m = 72

Add '28' to each side of the equation.
-28 + 28 + -5m = 72 + 28

Combine like terms: -28 + 28 = 0
0 + -5m = 72 + 28
-5m = 72 + 28

Combine like terms: 72 + 28 = 100
-5m = 100

Divide each side by '-5'.
m = -20

Simplifying
m = -20

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