15+3(x-5)=-21

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Solution for 15+3(x-5)=-21 equation: 


Simplifying
15 + 3(x + -5) = -21

Reorder the terms:
15 + 3(-5 + x) = -21
15 + (-5 * 3 + x * 3) = -21
15 + (-15 + 3x) = -21

Combine like terms: 15 + -15 = 0
0 + 3x = -21
3x = -21

Solving
3x = -21

Solving for variable 'x'.

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

Divide each side by '3'.
x = -7

Simplifying
x = -7

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