70=x-.3x

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Solution for 70=x-.3x equation:


Simplifying
70 = x + -0.3x

Combine like terms: x + -0.3x = 0.7x
70 = 0.7x

Solving
70 = 0.7x

Solving for variable 'x'.

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

Add '-0.7x' to each side of the equation.
70 + -0.7x = 0.7x + -0.7x

Combine like terms: 0.7x + -0.7x = 0.0
70 + -0.7x = 0.0

Add '-70' to each side of the equation.
70 + -70 + -0.7x = 0.0 + -70

Combine like terms: 70 + -70 = 0
0 + -0.7x = 0.0 + -70
-0.7x = 0.0 + -70

Combine like terms: 0.0 + -70 = -70
-0.7x = -70

Divide each side by '-0.7'.
x = 100

Simplifying
x = 100

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