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

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


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

Remove parenthesis around (3 + 2x)
5x + 3 + 2x = 18 + -1(x + -1) * 5

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

Combine like terms: 5x + 2x = 7x
3 + 7x = 18 + -1(x + -1) * 5

Reorder the terms:
3 + 7x = 18 + -1(-1 + x) * 5

Reorder the terms for easier multiplication:
3 + 7x = 18 + -1 * 5(-1 + x)

Multiply -1 * 5
3 + 7x = 18 + -5(-1 + x)
3 + 7x = 18 + (-1 * -5 + x * -5)
3 + 7x = 18 + (5 + -5x)

Combine like terms: 18 + 5 = 23
3 + 7x = 23 + -5x

Solving
3 + 7x = 23 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
3 + 7x + 5x = 23 + -5x + 5x

Combine like terms: 7x + 5x = 12x
3 + 12x = 23 + -5x + 5x

Combine like terms: -5x + 5x = 0
3 + 12x = 23 + 0
3 + 12x = 23

Add '-3' to each side of the equation.
3 + -3 + 12x = 23 + -3

Combine like terms: 3 + -3 = 0
0 + 12x = 23 + -3
12x = 23 + -3

Combine like terms: 23 + -3 = 20
12x = 20

Divide each side by '12'.
x = 1.666666667

Simplifying
x = 1.666666667

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