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

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Solution for 3(x-2)-4(2x+5)=9 equation:


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

Reorder the terms:
3(-2 + x) + -4(2x + 5) = 9
(-2 * 3 + x * 3) + -4(2x + 5) = 9
(-6 + 3x) + -4(2x + 5) = 9

Reorder the terms:
-6 + 3x + -4(5 + 2x) = 9
-6 + 3x + (5 * -4 + 2x * -4) = 9
-6 + 3x + (-20 + -8x) = 9

Reorder the terms:
-6 + -20 + 3x + -8x = 9

Combine like terms: -6 + -20 = -26
-26 + 3x + -8x = 9

Combine like terms: 3x + -8x = -5x
-26 + -5x = 9

Solving
-26 + -5x = 9

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 + -5x = 9 + 26

Combine like terms: -26 + 26 = 0
0 + -5x = 9 + 26
-5x = 9 + 26

Combine like terms: 9 + 26 = 35
-5x = 35

Divide each side by '-5'.
x = -7

Simplifying
x = -7

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