2x-18=21(1-x)

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Solution for 2x-18=21(1-x) equation:


Simplifying
2x + -18 = 21(1 + -1x)

Reorder the terms:
-18 + 2x = 21(1 + -1x)
-18 + 2x = (1 * 21 + -1x * 21)
-18 + 2x = (21 + -21x)

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

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

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

Add '18' to each side of the equation.
-18 + 18 + 23x = 21 + 18

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

Combine like terms: 21 + 18 = 39
23x = 39

Divide each side by '23'.
x = 1.695652174

Simplifying
x = 1.695652174

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