30=7x+10-2x

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Solution for 30=7x+10-2x equation:


Simplifying
30 = 7x + 10 + -2x

Reorder the terms:
30 = 10 + 7x + -2x

Combine like terms: 7x + -2x = 5x
30 = 10 + 5x

Solving
30 = 10 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
30 + -5x = 10 + 5x + -5x

Combine like terms: 5x + -5x = 0
30 + -5x = 10 + 0
30 + -5x = 10

Add '-30' to each side of the equation.
30 + -30 + -5x = 10 + -30

Combine like terms: 30 + -30 = 0
0 + -5x = 10 + -30
-5x = 10 + -30

Combine like terms: 10 + -30 = -20
-5x = -20

Divide each side by '-5'.
x = 4

Simplifying
x = 4

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