9(x-3)=-6(x+1)+21

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Solution for 9(x-3)=-6(x+1)+21 equation:


Simplifying
9(x + -3) = -6(x + 1) + 21

Reorder the terms:
9(-3 + x) = -6(x + 1) + 21
(-3 * 9 + x * 9) = -6(x + 1) + 21
(-27 + 9x) = -6(x + 1) + 21

Reorder the terms:
-27 + 9x = -6(1 + x) + 21
-27 + 9x = (1 * -6 + x * -6) + 21
-27 + 9x = (-6 + -6x) + 21

Reorder the terms:
-27 + 9x = -6 + 21 + -6x

Combine like terms: -6 + 21 = 15
-27 + 9x = 15 + -6x

Solving
-27 + 9x = 15 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
-27 + 9x + 6x = 15 + -6x + 6x

Combine like terms: 9x + 6x = 15x
-27 + 15x = 15 + -6x + 6x

Combine like terms: -6x + 6x = 0
-27 + 15x = 15 + 0
-27 + 15x = 15

Add '27' to each side of the equation.
-27 + 27 + 15x = 15 + 27

Combine like terms: -27 + 27 = 0
0 + 15x = 15 + 27
15x = 15 + 27

Combine like terms: 15 + 27 = 42
15x = 42

Divide each side by '15'.
x = 2.8

Simplifying
x = 2.8

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