18-4x=9-7x

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Solution for 18-4x=9-7x equation:


Simplifying
18 + -4x = 9 + -7x

Solving
18 + -4x = 9 + -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.
18 + -4x + 7x = 9 + -7x + 7x

Combine like terms: -4x + 7x = 3x
18 + 3x = 9 + -7x + 7x

Combine like terms: -7x + 7x = 0
18 + 3x = 9 + 0
18 + 3x = 9

Add '-18' to each side of the equation.
18 + -18 + 3x = 9 + -18

Combine like terms: 18 + -18 = 0
0 + 3x = 9 + -18
3x = 9 + -18

Combine like terms: 9 + -18 = -9
3x = -9

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

Simplifying
x = -3

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