70=x-30

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Solution for 70=x-30 equation:


Simplifying
70 = x + -30

Reorder the terms:
70 = -30 + x

Solving
70 = -30 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
70 + -1x = -30 + x + -1x

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

Add '-70' to each side of the equation.
70 + -70 + -1x = -30 + -70

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

Combine like terms: -30 + -70 = -100
-1x = -100

Divide each side by '-1'.
x = 100

Simplifying
x = 100

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