7x+9+3x+1=8x-5

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Solution for 7x+9+3x+1=8x-5 equation:


Simplifying
7x + 9 + 3x + 1 = 8x + -5

Reorder the terms:
9 + 1 + 7x + 3x = 8x + -5

Combine like terms: 9 + 1 = 10
10 + 7x + 3x = 8x + -5

Combine like terms: 7x + 3x = 10x
10 + 10x = 8x + -5

Reorder the terms:
10 + 10x = -5 + 8x

Solving
10 + 10x = -5 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
10 + 10x + -8x = -5 + 8x + -8x

Combine like terms: 10x + -8x = 2x
10 + 2x = -5 + 8x + -8x

Combine like terms: 8x + -8x = 0
10 + 2x = -5 + 0
10 + 2x = -5

Add '-10' to each side of the equation.
10 + -10 + 2x = -5 + -10

Combine like terms: 10 + -10 = 0
0 + 2x = -5 + -10
2x = -5 + -10

Combine like terms: -5 + -10 = -15
2x = -15

Divide each side by '2'.
x = -7.5

Simplifying
x = -7.5

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