15(3x-9)-5x=-7

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Solution for 15(3x-9)-5x=-7 equation:


Simplifying
15(3x + -9) + -5x = -7

Reorder the terms:
15(-9 + 3x) + -5x = -7
(-9 * 15 + 3x * 15) + -5x = -7
(-135 + 45x) + -5x = -7

Combine like terms: 45x + -5x = 40x
-135 + 40x = -7

Solving
-135 + 40x = -7

Solving for variable 'x'.

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

Add '135' to each side of the equation.
-135 + 135 + 40x = -7 + 135

Combine like terms: -135 + 135 = 0
0 + 40x = -7 + 135
40x = -7 + 135

Combine like terms: -7 + 135 = 128
40x = 128

Divide each side by '40'.
x = 3.2

Simplifying
x = 3.2

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