2x+x+x-10=70

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Solution for 2x+x+x-10=70 equation:


Simplifying
2x + x + x + -10 = 70

Reorder the terms:
-10 + 2x + x + x = 70

Combine like terms: 2x + x = 3x
-10 + 3x + x = 70

Combine like terms: 3x + x = 4x
-10 + 4x = 70

Solving
-10 + 4x = 70

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 4x = 70 + 10

Combine like terms: -10 + 10 = 0
0 + 4x = 70 + 10
4x = 70 + 10

Combine like terms: 70 + 10 = 80
4x = 80

Divide each side by '4'.
x = 20

Simplifying
x = 20

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