70-21x=7x

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Solution for 70-21x=7x equation:


Simplifying
70 + -21x = 7x

Solving
70 + -21x = 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
70 + -21x + -7x = 7x + -7x

Combine like terms: -21x + -7x = -28x
70 + -28x = 7x + -7x

Combine like terms: 7x + -7x = 0
70 + -28x = 0

Add '-70' to each side of the equation.
70 + -70 + -28x = 0 + -70

Combine like terms: 70 + -70 = 0
0 + -28x = 0 + -70
-28x = 0 + -70

Combine like terms: 0 + -70 = -70
-28x = -70

Divide each side by '-28'.
x = 2.5

Simplifying
x = 2.5

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