-3(3x+15)+(10+x)=9

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Solution for -3(3x+15)+(10+x)=9 equation:


Simplifying
-3(3x + 15) + (10 + x) = 9

Reorder the terms:
-3(15 + 3x) + (10 + x) = 9
(15 * -3 + 3x * -3) + (10 + x) = 9
(-45 + -9x) + (10 + x) = 9

Remove parenthesis around (10 + x)
-45 + -9x + 10 + x = 9

Reorder the terms:
-45 + 10 + -9x + x = 9

Combine like terms: -45 + 10 = -35
-35 + -9x + x = 9

Combine like terms: -9x + x = -8x
-35 + -8x = 9

Solving
-35 + -8x = 9

Solving for variable 'x'.

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

Add '35' to each side of the equation.
-35 + 35 + -8x = 9 + 35

Combine like terms: -35 + 35 = 0
0 + -8x = 9 + 35
-8x = 9 + 35

Combine like terms: 9 + 35 = 44
-8x = 44

Divide each side by '-8'.
x = -5.5

Simplifying
x = -5.5

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