-21+23=m+7

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Solution for -21+23=m+7 equation:


Simplifying
-21 + 23 = m + 7

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

Reorder the terms:
2 = 7 + m

Solving
2 = 7 + m

Solving for variable 'm'.

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

Add '-1m' to each side of the equation.
2 + -1m = 7 + m + -1m

Combine like terms: m + -1m = 0
2 + -1m = 7 + 0
2 + -1m = 7

Add '-2' to each side of the equation.
2 + -2 + -1m = 7 + -2

Combine like terms: 2 + -2 = 0
0 + -1m = 7 + -2
-1m = 7 + -2

Combine like terms: 7 + -2 = 5
-1m = 5

Divide each side by '-1'.
m = -5

Simplifying
m = -5

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