9(x+1)+3=10(x-10)-9

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Solution for 9(x+1)+3=10(x-10)-9 equation:


Simplifying
9(x + 1) + 3 = 10(x + -10) + -9

Reorder the terms:
9(1 + x) + 3 = 10(x + -10) + -9
(1 * 9 + x * 9) + 3 = 10(x + -10) + -9
(9 + 9x) + 3 = 10(x + -10) + -9

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

Combine like terms: 9 + 3 = 12
12 + 9x = 10(x + -10) + -9

Reorder the terms:
12 + 9x = 10(-10 + x) + -9
12 + 9x = (-10 * 10 + x * 10) + -9
12 + 9x = (-100 + 10x) + -9

Reorder the terms:
12 + 9x = -100 + -9 + 10x

Combine like terms: -100 + -9 = -109
12 + 9x = -109 + 10x

Solving
12 + 9x = -109 + 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.
12 + 9x + -10x = -109 + 10x + -10x

Combine like terms: 9x + -10x = -1x
12 + -1x = -109 + 10x + -10x

Combine like terms: 10x + -10x = 0
12 + -1x = -109 + 0
12 + -1x = -109

Add '-12' to each side of the equation.
12 + -12 + -1x = -109 + -12

Combine like terms: 12 + -12 = 0
0 + -1x = -109 + -12
-1x = -109 + -12

Combine like terms: -109 + -12 = -121
-1x = -121

Divide each side by '-1'.
x = 121

Simplifying
x = 121

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