-7x-4(5x+9)=-171

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Solution for -7x-4(5x+9)=-171 equation:


Simplifying
-7x + -4(5x + 9) = -171

Reorder the terms:
-7x + -4(9 + 5x) = -171
-7x + (9 * -4 + 5x * -4) = -171
-7x + (-36 + -20x) = -171

Reorder the terms:
-36 + -7x + -20x = -171

Combine like terms: -7x + -20x = -27x
-36 + -27x = -171

Solving
-36 + -27x = -171

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + -27x = -171 + 36

Combine like terms: -36 + 36 = 0
0 + -27x = -171 + 36
-27x = -171 + 36

Combine like terms: -171 + 36 = -135
-27x = -135

Divide each side by '-27'.
x = 5

Simplifying
x = 5

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