70=2x+x+x-10

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


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

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

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

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

Solving
70 = -10 + 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.
70 + -4x = -10 + 4x + -4x

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

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

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

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

Divide each side by '-4'.
x = 20

Simplifying
x = 20

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