-3(-1x+7)+-5x=-21

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Solution for -3(-1x+7)+-5x=-21 equation:


Simplifying
-3(-1x + 7) + -5x = -21

Reorder the terms:
-3(7 + -1x) + -5x = -21
(7 * -3 + -1x * -3) + -5x = -21
(-21 + 3x) + -5x = -21

Combine like terms: 3x + -5x = -2x
-21 + -2x = -21

Add '21' to each side of the equation.
-21 + 21 + -2x = -21 + 21

Combine like terms: -21 + 21 = 0
0 + -2x = -21 + 21
-2x = -21 + 21

Combine like terms: -21 + 21 = 0
-2x = 0

Solving
-2x = 0

Solving for variable 'x'.

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

Divide each side by '-2'.
x = 0

Simplifying
x = 0

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