-165=3x+5(3x-15)

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Solution for -165=3x+5(3x-15) equation:


Simplifying
-165 = 3x + 5(3x + -15)

Reorder the terms:
-165 = 3x + 5(-15 + 3x)
-165 = 3x + (-15 * 5 + 3x * 5)
-165 = 3x + (-75 + 15x)

Reorder the terms:
-165 = -75 + 3x + 15x

Combine like terms: 3x + 15x = 18x
-165 = -75 + 18x

Solving
-165 = -75 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
-165 + -18x = -75 + 18x + -18x

Combine like terms: 18x + -18x = 0
-165 + -18x = -75 + 0
-165 + -18x = -75

Add '165' to each side of the equation.
-165 + 165 + -18x = -75 + 165

Combine like terms: -165 + 165 = 0
0 + -18x = -75 + 165
-18x = -75 + 165

Combine like terms: -75 + 165 = 90
-18x = 90

Divide each side by '-18'.
x = -5

Simplifying
x = -5

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