3(-5x+15)+45=-8(5x-15)

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Solution for 3(-5x+15)+45=-8(5x-15) equation:


Simplifying
3(-5x + 15) + 45 = -8(5x + -15)

Reorder the terms:
3(15 + -5x) + 45 = -8(5x + -15)
(15 * 3 + -5x * 3) + 45 = -8(5x + -15)
(45 + -15x) + 45 = -8(5x + -15)

Reorder the terms:
45 + 45 + -15x = -8(5x + -15)

Combine like terms: 45 + 45 = 90
90 + -15x = -8(5x + -15)

Reorder the terms:
90 + -15x = -8(-15 + 5x)
90 + -15x = (-15 * -8 + 5x * -8)
90 + -15x = (120 + -40x)

Solving
90 + -15x = 120 + -40x

Solving for variable 'x'.

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

Add '40x' to each side of the equation.
90 + -15x + 40x = 120 + -40x + 40x

Combine like terms: -15x + 40x = 25x
90 + 25x = 120 + -40x + 40x

Combine like terms: -40x + 40x = 0
90 + 25x = 120 + 0
90 + 25x = 120

Add '-90' to each side of the equation.
90 + -90 + 25x = 120 + -90

Combine like terms: 90 + -90 = 0
0 + 25x = 120 + -90
25x = 120 + -90

Combine like terms: 120 + -90 = 30
25x = 30

Divide each side by '25'.
x = 1.2

Simplifying
x = 1.2

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