3x-20=10-x

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


Simplifying
3x + -20 = 10 + -1x

Reorder the terms:
-20 + 3x = 10 + -1x

Solving
-20 + 3x = 10 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-20 + 3x + x = 10 + -1x + x

Combine like terms: 3x + x = 4x
-20 + 4x = 10 + -1x + x

Combine like terms: -1x + x = 0
-20 + 4x = 10 + 0
-20 + 4x = 10

Add '20' to each side of the equation.
-20 + 20 + 4x = 10 + 20

Combine like terms: -20 + 20 = 0
0 + 4x = 10 + 20
4x = 10 + 20

Combine like terms: 10 + 20 = 30
4x = 30

Divide each side by '4'.
x = 7.5

Simplifying
x = 7.5

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