10-30=7x

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Solution for 10-30=7x equation:


Simplifying
10 + -30 = 7x

Combine like terms: 10 + -30 = -20
-20 = 7x

Solving
-20 = 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.
-20 + -7x = 7x + -7x

Combine like terms: 7x + -7x = 0
-20 + -7x = 0

Add '20' to each side of the equation.
-20 + 20 + -7x = 0 + 20

Combine like terms: -20 + 20 = 0
0 + -7x = 0 + 20
-7x = 0 + 20

Combine like terms: 0 + 20 = 20
-7x = 20

Divide each side by '-7'.
x = -2.857142857

Simplifying
x = -2.857142857

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