9x-4(2x+5)=-13

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Solution for 9x-4(2x+5)=-13 equation:


Simplifying
9x + -4(2x + 5) = -13

Reorder the terms:
9x + -4(5 + 2x) = -13
9x + (5 * -4 + 2x * -4) = -13
9x + (-20 + -8x) = -13

Reorder the terms:
-20 + 9x + -8x = -13

Combine like terms: 9x + -8x = 1x
-20 + 1x = -13

Solving
-20 + 1x = -13

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 1x = -13 + 20

Combine like terms: -20 + 20 = 0
0 + 1x = -13 + 20
1x = -13 + 20

Combine like terms: -13 + 20 = 7
1x = 7

Divide each side by '1'.
x = 7

Simplifying
x = 7

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