155=x+(x-5)+4(x-5)

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Solution for 155=x+(x-5)+4(x-5) equation:


Simplifying
155 = x + (x + -5) + 4(x + -5)

Reorder the terms:
155 = x + (-5 + x) + 4(x + -5)

Remove parenthesis around (-5 + x)
155 = x + -5 + x + 4(x + -5)

Reorder the terms:
155 = x + -5 + x + 4(-5 + x)
155 = x + -5 + x + (-5 * 4 + x * 4)
155 = x + -5 + x + (-20 + 4x)

Reorder the terms:
155 = -5 + -20 + x + x + 4x

Combine like terms: -5 + -20 = -25
155 = -25 + x + x + 4x

Combine like terms: x + x = 2x
155 = -25 + 2x + 4x

Combine like terms: 2x + 4x = 6x
155 = -25 + 6x

Solving
155 = -25 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
155 + -6x = -25 + 6x + -6x

Combine like terms: 6x + -6x = 0
155 + -6x = -25 + 0
155 + -6x = -25

Add '-155' to each side of the equation.
155 + -155 + -6x = -25 + -155

Combine like terms: 155 + -155 = 0
0 + -6x = -25 + -155
-6x = -25 + -155

Combine like terms: -25 + -155 = -180
-6x = -180

Divide each side by '-6'.
x = 30

Simplifying
x = 30

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