18-2x=7(3x-4)

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Solution for 18-2x=7(3x-4) equation:


Simplifying
18 + -2x = 7(3x + -4)

Reorder the terms:
18 + -2x = 7(-4 + 3x)
18 + -2x = (-4 * 7 + 3x * 7)
18 + -2x = (-28 + 21x)

Solving
18 + -2x = -28 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
18 + -2x + -21x = -28 + 21x + -21x

Combine like terms: -2x + -21x = -23x
18 + -23x = -28 + 21x + -21x

Combine like terms: 21x + -21x = 0
18 + -23x = -28 + 0
18 + -23x = -28

Add '-18' to each side of the equation.
18 + -18 + -23x = -28 + -18

Combine like terms: 18 + -18 = 0
0 + -23x = -28 + -18
-23x = -28 + -18

Combine like terms: -28 + -18 = -46
-23x = -46

Divide each side by '-23'.
x = 2

Simplifying
x = 2

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