2(x+3)-7=18+5(x+2x)

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Solution for 2(x+3)-7=18+5(x+2x) equation:


Simplifying
2(x + 3) + -7 = 18 + 5(x + 2x)

Reorder the terms:
2(3 + x) + -7 = 18 + 5(x + 2x)
(3 * 2 + x * 2) + -7 = 18 + 5(x + 2x)
(6 + 2x) + -7 = 18 + 5(x + 2x)

Reorder the terms:
6 + -7 + 2x = 18 + 5(x + 2x)

Combine like terms: 6 + -7 = -1
-1 + 2x = 18 + 5(x + 2x)

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

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

Multiply 5 * 3
-1 + 2x = 18 + 15x

Solving
-1 + 2x = 18 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
-1 + 2x + -15x = 18 + 15x + -15x

Combine like terms: 2x + -15x = -13x
-1 + -13x = 18 + 15x + -15x

Combine like terms: 15x + -15x = 0
-1 + -13x = 18 + 0
-1 + -13x = 18

Add '1' to each side of the equation.
-1 + 1 + -13x = 18 + 1

Combine like terms: -1 + 1 = 0
0 + -13x = 18 + 1
-13x = 18 + 1

Combine like terms: 18 + 1 = 19
-13x = 19

Divide each side by '-13'.
x = -1.461538462

Simplifying
x = -1.461538462

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