-155=-7x+3(-5x-15)

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Solution for -155=-7x+3(-5x-15) equation:


Simplifying
-155 = -7x + 3(-5x + -15)

Reorder the terms:
-155 = -7x + 3(-15 + -5x)
-155 = -7x + (-15 * 3 + -5x * 3)
-155 = -7x + (-45 + -15x)

Reorder the terms:
-155 = -45 + -7x + -15x

Combine like terms: -7x + -15x = -22x
-155 = -45 + -22x

Solving
-155 = -45 + -22x

Solving for variable 'x'.

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

Add '22x' to each side of the equation.
-155 + 22x = -45 + -22x + 22x

Combine like terms: -22x + 22x = 0
-155 + 22x = -45 + 0
-155 + 22x = -45

Add '155' to each side of the equation.
-155 + 155 + 22x = -45 + 155

Combine like terms: -155 + 155 = 0
0 + 22x = -45 + 155
22x = -45 + 155

Combine like terms: -45 + 155 = 110
22x = 110

Divide each side by '22'.
x = 5

Simplifying
x = 5

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