-10(x+3)-(-9x-4)=-40

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Solution for -10(x+3)-(-9x-4)=-40 equation:


Simplifying
-10(x + 3) + -1(-9x + -4) = -40

Reorder the terms:
-10(3 + x) + -1(-9x + -4) = -40
(3 * -10 + x * -10) + -1(-9x + -4) = -40
(-30 + -10x) + -1(-9x + -4) = -40

Reorder the terms:
-30 + -10x + -1(-4 + -9x) = -40
-30 + -10x + (-4 * -1 + -9x * -1) = -40
-30 + -10x + (4 + 9x) = -40

Reorder the terms:
-30 + 4 + -10x + 9x = -40

Combine like terms: -30 + 4 = -26
-26 + -10x + 9x = -40

Combine like terms: -10x + 9x = -1x
-26 + -1x = -40

Solving
-26 + -1x = -40

Solving for variable 'x'.

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

Add '26' to each side of the equation.
-26 + 26 + -1x = -40 + 26

Combine like terms: -26 + 26 = 0
0 + -1x = -40 + 26
-1x = -40 + 26

Combine like terms: -40 + 26 = -14
-1x = -14

Divide each side by '-1'.
x = 14

Simplifying
x = 14

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