x+(3x-70)=90

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Solution for x+(3x-70)=90 equation:


Simplifying
x + (3x + -70) = 90

Reorder the terms:
x + (-70 + 3x) = 90

Remove parenthesis around (-70 + 3x)
x + -70 + 3x = 90

Reorder the terms:
-70 + x + 3x = 90

Combine like terms: x + 3x = 4x
-70 + 4x = 90

Solving
-70 + 4x = 90

Solving for variable 'x'.

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

Add '70' to each side of the equation.
-70 + 70 + 4x = 90 + 70

Combine like terms: -70 + 70 = 0
0 + 4x = 90 + 70
4x = 90 + 70

Combine like terms: 90 + 70 = 160
4x = 160

Divide each side by '4'.
x = 40

Simplifying
x = 40

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