3-7x=8+9x

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


Simplifying
3 + -7x = 8 + 9x

Solving
3 + -7x = 8 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
3 + -7x + -9x = 8 + 9x + -9x

Combine like terms: -7x + -9x = -16x
3 + -16x = 8 + 9x + -9x

Combine like terms: 9x + -9x = 0
3 + -16x = 8 + 0
3 + -16x = 8

Add '-3' to each side of the equation.
3 + -3 + -16x = 8 + -3

Combine like terms: 3 + -3 = 0
0 + -16x = 8 + -3
-16x = 8 + -3

Combine like terms: 8 + -3 = 5
-16x = 5

Divide each side by '-16'.
x = -0.3125

Simplifying
x = -0.3125

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