7(2x-3)-2(4x-9)=-75

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Solution for 7(2x-3)-2(4x-9)=-75 equation:


Simplifying
7(2x + -3) + -2(4x + -9) = -75

Reorder the terms:
7(-3 + 2x) + -2(4x + -9) = -75
(-3 * 7 + 2x * 7) + -2(4x + -9) = -75
(-21 + 14x) + -2(4x + -9) = -75

Reorder the terms:
-21 + 14x + -2(-9 + 4x) = -75
-21 + 14x + (-9 * -2 + 4x * -2) = -75
-21 + 14x + (18 + -8x) = -75

Reorder the terms:
-21 + 18 + 14x + -8x = -75

Combine like terms: -21 + 18 = -3
-3 + 14x + -8x = -75

Combine like terms: 14x + -8x = 6x
-3 + 6x = -75

Solving
-3 + 6x = -75

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 6x = -75 + 3

Combine like terms: -3 + 3 = 0
0 + 6x = -75 + 3
6x = -75 + 3

Combine like terms: -75 + 3 = -72
6x = -72

Divide each side by '6'.
x = -12

Simplifying
x = -12

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