3x-30=70-x

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Solution for 3x-30=70-x equation:


Simplifying
3x + -30 = 70 + -1x

Reorder the terms:
-30 + 3x = 70 + -1x

Solving
-30 + 3x = 70 + -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.
-30 + 3x + x = 70 + -1x + x

Combine like terms: 3x + x = 4x
-30 + 4x = 70 + -1x + x

Combine like terms: -1x + x = 0
-30 + 4x = 70 + 0
-30 + 4x = 70

Add '30' to each side of the equation.
-30 + 30 + 4x = 70 + 30

Combine like terms: -30 + 30 = 0
0 + 4x = 70 + 30
4x = 70 + 30

Combine like terms: 70 + 30 = 100
4x = 100

Divide each side by '4'.
x = 25

Simplifying
x = 25

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