-3(-x+21)=11x

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Solution for -3(-x+21)=11x equation:


Simplifying
-3(-1x + 21) = 11x

Reorder the terms:
-3(21 + -1x) = 11x
(21 * -3 + -1x * -3) = 11x
(-63 + 3x) = 11x

Solving
-63 + 3x = 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
-63 + 3x + -11x = 11x + -11x

Combine like terms: 3x + -11x = -8x
-63 + -8x = 11x + -11x

Combine like terms: 11x + -11x = 0
-63 + -8x = 0

Add '63' to each side of the equation.
-63 + 63 + -8x = 0 + 63

Combine like terms: -63 + 63 = 0
0 + -8x = 0 + 63
-8x = 0 + 63

Combine like terms: 0 + 63 = 63
-8x = 63

Divide each side by '-8'.
x = -7.875

Simplifying
x = -7.875

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