-21=3(x-5)+3

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


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

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

Reorder the terms:
-21 = -15 + 3 + 3x

Combine like terms: -15 + 3 = -12
-21 = -12 + 3x

Solving
-21 = -12 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-21 + -3x = -12 + 3x + -3x

Combine like terms: 3x + -3x = 0
-21 + -3x = -12 + 0
-21 + -3x = -12

Add '21' to each side of the equation.
-21 + 21 + -3x = -12 + 21

Combine like terms: -21 + 21 = 0
0 + -3x = -12 + 21
-3x = -12 + 21

Combine like terms: -12 + 21 = 9
-3x = 9

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

Simplifying
x = -3

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