30+7x=18+4x

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Solution for 30+7x=18+4x equation:


Simplifying
30 + 7x = 18 + 4x

Solving
30 + 7x = 18 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
30 + 7x + -4x = 18 + 4x + -4x

Combine like terms: 7x + -4x = 3x
30 + 3x = 18 + 4x + -4x

Combine like terms: 4x + -4x = 0
30 + 3x = 18 + 0
30 + 3x = 18

Add '-30' to each side of the equation.
30 + -30 + 3x = 18 + -30

Combine like terms: 30 + -30 = 0
0 + 3x = 18 + -30
3x = 18 + -30

Combine like terms: 18 + -30 = -12
3x = -12

Divide each side by '3'.
x = -4

Simplifying
x = -4

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