3x+8(1-x)=18

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Solution for 3x+8(1-x)=18 equation:


Simplifying
3x + 8(1 + -1x) = 18
3x + (1 * 8 + -1x * 8) = 18
3x + (8 + -8x) = 18

Reorder the terms:
8 + 3x + -8x = 18

Combine like terms: 3x + -8x = -5x
8 + -5x = 18

Solving
8 + -5x = 18

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + -5x = 18 + -8

Combine like terms: 8 + -8 = 0
0 + -5x = 18 + -8
-5x = 18 + -8

Combine like terms: 18 + -8 = 10
-5x = 10

Divide each side by '-5'.
x = -2

Simplifying
x = -2

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