3x+5+5x+1=7x-15

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Solution for 3x+5+5x+1=7x-15 equation:


Simplifying
3x + 5 + 5x + 1 = 7x + -15

Reorder the terms:
5 + 1 + 3x + 5x = 7x + -15

Combine like terms: 5 + 1 = 6
6 + 3x + 5x = 7x + -15

Combine like terms: 3x + 5x = 8x
6 + 8x = 7x + -15

Reorder the terms:
6 + 8x = -15 + 7x

Solving
6 + 8x = -15 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
6 + 8x + -7x = -15 + 7x + -7x

Combine like terms: 8x + -7x = 1x
6 + 1x = -15 + 7x + -7x

Combine like terms: 7x + -7x = 0
6 + 1x = -15 + 0
6 + 1x = -15

Add '-6' to each side of the equation.
6 + -6 + 1x = -15 + -6

Combine like terms: 6 + -6 = 0
0 + 1x = -15 + -6
1x = -15 + -6

Combine like terms: -15 + -6 = -21
1x = -21

Divide each side by '1'.
x = -21

Simplifying
x = -21

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