3x-10+3x-20=90

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Solution for 3x-10+3x-20=90 equation:


Simplifying
3x + -10 + 3x + -20 = 90

Reorder the terms:
-10 + -20 + 3x + 3x = 90

Combine like terms: -10 + -20 = -30
-30 + 3x + 3x = 90

Combine like terms: 3x + 3x = 6x
-30 + 6x = 90

Solving
-30 + 6x = 90

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 + 6x = 90 + 30

Combine like terms: -30 + 30 = 0
0 + 6x = 90 + 30
6x = 90 + 30

Combine like terms: 90 + 30 = 120
6x = 120

Divide each side by '6'.
x = 20

Simplifying
x = 20

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