90+(x+15)=4x

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Solution for 90+(x+15)=4x equation:


Simplifying
90 + (x + 15) = 4x

Reorder the terms:
90 + (15 + x) = 4x

Remove parenthesis around (15 + x)
90 + 15 + x = 4x

Combine like terms: 90 + 15 = 105
105 + x = 4x

Solving
105 + x = 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
105 + x + -4x = 4x + -4x

Combine like terms: x + -4x = -3x
105 + -3x = 4x + -4x

Combine like terms: 4x + -4x = 0
105 + -3x = 0

Add '-105' to each side of the equation.
105 + -105 + -3x = 0 + -105

Combine like terms: 105 + -105 = 0
0 + -3x = 0 + -105
-3x = 0 + -105

Combine like terms: 0 + -105 = -105
-3x = -105

Divide each side by '-3'.
x = 35

Simplifying
x = 35

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