-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 = -9
-1m = -9

Divide each side by '-1'.
m = 9

Simplifying
m = 9

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