3-4(2m-5)=7

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Solution for 3-4(2m-5)=7 equation:


Simplifying
3 + -4(2m + -5) = 7

Reorder the terms:
3 + -4(-5 + 2m) = 7
3 + (-5 * -4 + 2m * -4) = 7
3 + (20 + -8m) = 7

Combine like terms: 3 + 20 = 23
23 + -8m = 7

Solving
23 + -8m = 7

Solving for variable 'm'.

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

Add '-23' to each side of the equation.
23 + -23 + -8m = 7 + -23

Combine like terms: 23 + -23 = 0
0 + -8m = 7 + -23
-8m = 7 + -23

Combine like terms: 7 + -23 = -16
-8m = -16

Divide each side by '-8'.
m = 2

Simplifying
m = 2

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