3x+y+15=2(x+1)-5

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Solution for 3x+y+15=2(x+1)-5 equation:


Simplifying
3x + y + 15 = 2(x + 1) + -5

Reorder the terms:
15 + 3x + y = 2(x + 1) + -5

Reorder the terms:
15 + 3x + y = 2(1 + x) + -5
15 + 3x + y = (1 * 2 + x * 2) + -5
15 + 3x + y = (2 + 2x) + -5

Reorder the terms:
15 + 3x + y = 2 + -5 + 2x

Combine like terms: 2 + -5 = -3
15 + 3x + y = -3 + 2x

Solving
15 + 3x + y = -3 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
15 + 3x + -2x + y = -3 + 2x + -2x

Combine like terms: 3x + -2x = 1x
15 + 1x + y = -3 + 2x + -2x

Combine like terms: 2x + -2x = 0
15 + 1x + y = -3 + 0
15 + 1x + y = -3

Add '-15' to each side of the equation.
15 + 1x + -15 + y = -3 + -15

Reorder the terms:
15 + -15 + 1x + y = -3 + -15

Combine like terms: 15 + -15 = 0
0 + 1x + y = -3 + -15
1x + y = -3 + -15

Combine like terms: -3 + -15 = -18
1x + y = -18

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

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

Divide each side by '1'.
x = -18 + -1y

Simplifying
x = -18 + -1y

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