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

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


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

Combine like terms: -1x + x = 0
-3(0) + 5x = -21

Multiply -3 * 0
0 + 5x = -21

Anything times zero is zero.
0 + 5x = -21
Remove the zero:
5x = -21

Solving
5x = -21

Solving for variable 'x'.

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

Divide each side by '5'.
x = -4.2

Simplifying
x = -4.2

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