-105=-3(-6x-7)

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Solution for -105=-3(-6x-7) equation:


Simplifying
-105 = -3(-6x + -7)

Reorder the terms:
-105 = -3(-7 + -6x)
-105 = (-7 * -3 + -6x * -3)
-105 = (21 + 18x)

Solving
-105 = 21 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
-105 + -18x = 21 + 18x + -18x

Combine like terms: 18x + -18x = 0
-105 + -18x = 21 + 0
-105 + -18x = 21

Add '105' to each side of the equation.
-105 + 105 + -18x = 21 + 105

Combine like terms: -105 + 105 = 0
0 + -18x = 21 + 105
-18x = 21 + 105

Combine like terms: 21 + 105 = 126
-18x = 126

Divide each side by '-18'.
x = -7

Simplifying
x = -7

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