2m-7=7(5-3m)-2(m-4)

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Solution for 2m-7=7(5-3m)-2(m-4) equation:


Simplifying
2m + -7 = 7(5 + -3m) + -2(m + -4)

Reorder the terms:
-7 + 2m = 7(5 + -3m) + -2(m + -4)
-7 + 2m = (5 * 7 + -3m * 7) + -2(m + -4)
-7 + 2m = (35 + -21m) + -2(m + -4)

Reorder the terms:
-7 + 2m = 35 + -21m + -2(-4 + m)
-7 + 2m = 35 + -21m + (-4 * -2 + m * -2)
-7 + 2m = 35 + -21m + (8 + -2m)

Reorder the terms:
-7 + 2m = 35 + 8 + -21m + -2m

Combine like terms: 35 + 8 = 43
-7 + 2m = 43 + -21m + -2m

Combine like terms: -21m + -2m = -23m
-7 + 2m = 43 + -23m

Solving
-7 + 2m = 43 + -23m

Solving for variable 'm'.

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

Add '23m' to each side of the equation.
-7 + 2m + 23m = 43 + -23m + 23m

Combine like terms: 2m + 23m = 25m
-7 + 25m = 43 + -23m + 23m

Combine like terms: -23m + 23m = 0
-7 + 25m = 43 + 0
-7 + 25m = 43

Add '7' to each side of the equation.
-7 + 7 + 25m = 43 + 7

Combine like terms: -7 + 7 = 0
0 + 25m = 43 + 7
25m = 43 + 7

Combine like terms: 43 + 7 = 50
25m = 50

Divide each side by '25'.
m = 2

Simplifying
m = 2

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