8(8m-3)-(m-3)=-90

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Solution for 8(8m-3)-(m-3)=-90 equation:


Simplifying
8(8m + -3) + -1(m + -3) = -90

Reorder the terms:
8(-3 + 8m) + -1(m + -3) = -90
(-3 * 8 + 8m * 8) + -1(m + -3) = -90
(-24 + 64m) + -1(m + -3) = -90

Reorder the terms:
-24 + 64m + -1(-3 + m) = -90
-24 + 64m + (-3 * -1 + m * -1) = -90
-24 + 64m + (3 + -1m) = -90

Reorder the terms:
-24 + 3 + 64m + -1m = -90

Combine like terms: -24 + 3 = -21
-21 + 64m + -1m = -90

Combine like terms: 64m + -1m = 63m
-21 + 63m = -90

Solving
-21 + 63m = -90

Solving for variable 'm'.

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

Add '21' to each side of the equation.
-21 + 21 + 63m = -90 + 21

Combine like terms: -21 + 21 = 0
0 + 63m = -90 + 21
63m = -90 + 21

Combine like terms: -90 + 21 = -69
63m = -69

Divide each side by '63'.
m = -1.095238095

Simplifying
m = -1.095238095

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