7=8-5(m+3)

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Solution for 7=8-5(m+3) equation:


Simplifying
7 = 8 + -5(m + 3)

Reorder the terms:
7 = 8 + -5(3 + m)
7 = 8 + (3 * -5 + m * -5)
7 = 8 + (-15 + -5m)

Combine like terms: 8 + -15 = -7
7 = -7 + -5m

Solving
7 = -7 + -5m

Solving for variable 'm'.

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

Add '5m' to each side of the equation.
7 + 5m = -7 + -5m + 5m

Combine like terms: -5m + 5m = 0
7 + 5m = -7 + 0
7 + 5m = -7

Add '-7' to each side of the equation.
7 + -7 + 5m = -7 + -7

Combine like terms: 7 + -7 = 0
0 + 5m = -7 + -7
5m = -7 + -7

Combine like terms: -7 + -7 = -14
5m = -14

Divide each side by '5'.
m = -2.8

Simplifying
m = -2.8

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