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

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


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

Reorder the terms for easier multiplication:
3(9 + -3x) = -10x + 21
(9 * 3 + -3x * 3) = -10x + 21
(27 + -9x) = -10x + 21

Reorder the terms:
27 + -9x = 21 + -10x

Solving
27 + -9x = 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 + -9x + 10x = 21 + -10x + 10x

Combine like terms: -9x + 10x = 1x
27 + 1x = 21 + -10x + 10x

Combine like terms: -10x + 10x = 0
27 + 1x = 21 + 0
27 + 1x = 21

Add '-27' to each side of the equation.
27 + -27 + 1x = 21 + -27

Combine like terms: 27 + -27 = 0
0 + 1x = 21 + -27
1x = 21 + -27

Combine like terms: 21 + -27 = -6
1x = -6

Divide each side by '1'.
x = -6

Simplifying
x = -6

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