3(x+4)+5(x-2)=18

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Solution for 3(x+4)+5(x-2)=18 equation:


Simplifying
3(x + 4) + 5(x + -2) = 18

Reorder the terms:
3(4 + x) + 5(x + -2) = 18
(4 * 3 + x * 3) + 5(x + -2) = 18
(12 + 3x) + 5(x + -2) = 18

Reorder the terms:
12 + 3x + 5(-2 + x) = 18
12 + 3x + (-2 * 5 + x * 5) = 18
12 + 3x + (-10 + 5x) = 18

Reorder the terms:
12 + -10 + 3x + 5x = 18

Combine like terms: 12 + -10 = 2
2 + 3x + 5x = 18

Combine like terms: 3x + 5x = 8x
2 + 8x = 18

Solving
2 + 8x = 18

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + 8x = 18 + -2

Combine like terms: 2 + -2 = 0
0 + 8x = 18 + -2
8x = 18 + -2

Combine like terms: 18 + -2 = 16
8x = 16

Divide each side by '8'.
x = 2

Simplifying
x = 2

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