7x+4+8x+9=

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Solution for 7x+4+8x+9= equation:


Simplifying
7x + 4 + 8x + 9 = 0

Reorder the terms:
4 + 9 + 7x + 8x = 0

Combine like terms: 4 + 9 = 13
13 + 7x + 8x = 0

Combine like terms: 7x + 8x = 15x
13 + 15x = 0

Solving
13 + 15x = 0

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + 15x = 0 + -13

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

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

Divide each side by '15'.
x = -0.8666666667

Simplifying
x = -0.8666666667

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