5x+7x-(8x+9)=

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Solution for 5x+7x-(8x+9)= equation:


Simplifying
5x + 7x + -1(8x + 9) = 0

Reorder the terms:
5x + 7x + -1(9 + 8x) = 0
5x + 7x + (9 * -1 + 8x * -1) = 0
5x + 7x + (-9 + -8x) = 0

Reorder the terms:
-9 + 5x + 7x + -8x = 0

Combine like terms: 5x + 7x = 12x
-9 + 12x + -8x = 0

Combine like terms: 12x + -8x = 4x
-9 + 4x = 0

Solving
-9 + 4x = 0

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 4x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 4x = 0 + 9
4x = 0 + 9

Combine like terms: 0 + 9 = 9
4x = 9

Divide each side by '4'.
x = 2.25

Simplifying
x = 2.25

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