-3(-2x-5)-7=-10

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Solution for -3(-2x-5)-7=-10 equation: 


Simplifying
-3(-2x + -5) + -7 = -10

Reorder the terms:
-3(-5 + -2x) + -7 = -10
(-5 * -3 + -2x * -3) + -7 = -10
(15 + 6x) + -7 = -10

Reorder the terms:
15 + -7 + 6x = -10

Combine like terms: 15 + -7 = 8
8 + 6x = -10

Solving
8 + 6x = -10

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 6x = -10 + -8

Combine like terms: 8 + -8 = 0
0 + 6x = -10 + -8
6x = -10 + -8

Combine like terms: -10 + -8 = -18
6x = -18

Divide each side by '6'.
x = -3

Simplifying
x = -3

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