8m+1=7m-20

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Solution for 8m+1=7m-20 equation:


Simplifying
8m + 1 = 7m + -20

Reorder the terms:
1 + 8m = 7m + -20

Reorder the terms:
1 + 8m = -20 + 7m

Solving
1 + 8m = -20 + 7m

Solving for variable 'm'.

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

Add '-7m' to each side of the equation.
1 + 8m + -7m = -20 + 7m + -7m

Combine like terms: 8m + -7m = 1m
1 + 1m = -20 + 7m + -7m

Combine like terms: 7m + -7m = 0
1 + 1m = -20 + 0
1 + 1m = -20

Add '-1' to each side of the equation.
1 + -1 + 1m = -20 + -1

Combine like terms: 1 + -1 = 0
0 + 1m = -20 + -1
1m = -20 + -1

Combine like terms: -20 + -1 = -21
1m = -21

Divide each side by '1'.
m = -21

Simplifying
m = -21

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