30=2x-4

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Solution for 30=2x-4 equation:


Simplifying
30 = 2x + -4

Reorder the terms:
30 = -4 + 2x

Solving
30 = -4 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
30 + -2x = -4 + 2x + -2x

Combine like terms: 2x + -2x = 0
30 + -2x = -4 + 0
30 + -2x = -4

Add '-30' to each side of the equation.
30 + -30 + -2x = -4 + -30

Combine like terms: 30 + -30 = 0
0 + -2x = -4 + -30
-2x = -4 + -30

Combine like terms: -4 + -30 = -34
-2x = -34

Divide each side by '-2'.
x = 17

Simplifying
x = 17

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