(3x-30)+x=210

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Solution for (3x-30)+x=210 equation:


Simplifying
(3x + -30) + x = 210

Reorder the terms:
(-30 + 3x) + x = 210

Remove parenthesis around (-30 + 3x)
-30 + 3x + x = 210

Combine like terms: 3x + x = 4x
-30 + 4x = 210

Solving
-30 + 4x = 210

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 4x = 210 + 30

Combine like terms: -30 + 30 = 0
0 + 4x = 210 + 30
4x = 210 + 30

Combine like terms: 210 + 30 = 240
4x = 240

Divide each side by '4'.
x = 60

Simplifying
x = 60

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