3(x-1)-(x-3)+5(x-2)=18

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Solution for 3(x-1)-(x-3)+5(x-2)=18 equation:


Simplifying
3(x + -1) + -1(x + -3) + 5(x + -2) = 18

Reorder the terms:
3(-1 + x) + -1(x + -3) + 5(x + -2) = 18
(-1 * 3 + x * 3) + -1(x + -3) + 5(x + -2) = 18
(-3 + 3x) + -1(x + -3) + 5(x + -2) = 18

Reorder the terms:
-3 + 3x + -1(-3 + x) + 5(x + -2) = 18
-3 + 3x + (-3 * -1 + x * -1) + 5(x + -2) = 18
-3 + 3x + (3 + -1x) + 5(x + -2) = 18

Reorder the terms:
-3 + 3x + 3 + -1x + 5(-2 + x) = 18
-3 + 3x + 3 + -1x + (-2 * 5 + x * 5) = 18
-3 + 3x + 3 + -1x + (-10 + 5x) = 18

Reorder the terms:
-3 + 3 + -10 + 3x + -1x + 5x = 18

Combine like terms: -3 + 3 = 0
0 + -10 + 3x + -1x + 5x = 18
-10 + 3x + -1x + 5x = 18

Combine like terms: 3x + -1x = 2x
-10 + 2x + 5x = 18

Combine like terms: 2x + 5x = 7x
-10 + 7x = 18

Solving
-10 + 7x = 18

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 7x = 18 + 10

Combine like terms: -10 + 10 = 0
0 + 7x = 18 + 10
7x = 18 + 10

Combine like terms: 18 + 10 = 28
7x = 28

Divide each side by '7'.
x = 4

Simplifying
x = 4

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