3(m-23)+3(m-4)=21

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Solution for 3(m-23)+3(m-4)=21 equation:


Simplifying
3(m + -23) + 3(m + -4) = 21

Reorder the terms:
3(-23 + m) + 3(m + -4) = 21
(-23 * 3 + m * 3) + 3(m + -4) = 21
(-69 + 3m) + 3(m + -4) = 21

Reorder the terms:
-69 + 3m + 3(-4 + m) = 21
-69 + 3m + (-4 * 3 + m * 3) = 21
-69 + 3m + (-12 + 3m) = 21

Reorder the terms:
-69 + -12 + 3m + 3m = 21

Combine like terms: -69 + -12 = -81
-81 + 3m + 3m = 21

Combine like terms: 3m + 3m = 6m
-81 + 6m = 21

Solving
-81 + 6m = 21

Solving for variable 'm'.

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

Add '81' to each side of the equation.
-81 + 81 + 6m = 21 + 81

Combine like terms: -81 + 81 = 0
0 + 6m = 21 + 81
6m = 21 + 81

Combine like terms: 21 + 81 = 102
6m = 102

Divide each side by '6'.
m = 17

Simplifying
m = 17

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