-3(2x+9)=21+10x

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Solution for -3(2x+9)=21+10x equation:


Simplifying
-3(2x + 9) = 21 + 10x

Reorder the terms:
-3(9 + 2x) = 21 + 10x
(9 * -3 + 2x * -3) = 21 + 10x
(-27 + -6x) = 21 + 10x

Solving
-27 + -6x = 21 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-27 + -6x + -10x = 21 + 10x + -10x

Combine like terms: -6x + -10x = -16x
-27 + -16x = 21 + 10x + -10x

Combine like terms: 10x + -10x = 0
-27 + -16x = 21 + 0
-27 + -16x = 21

Add '27' to each side of the equation.
-27 + 27 + -16x = 21 + 27

Combine like terms: -27 + 27 = 0
0 + -16x = 21 + 27
-16x = 21 + 27

Combine like terms: 21 + 27 = 48
-16x = 48

Divide each side by '-16'.
x = -3

Simplifying
x = -3

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