(3x-1)+(-7x-8)=

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Solution for (3x-1)+(-7x-8)= equation:


Simplifying
(3x + -1) + (-7x + -8) = 0

Reorder the terms:
(-1 + 3x) + (-7x + -8) = 0

Remove parenthesis around (-1 + 3x)
-1 + 3x + (-7x + -8) = 0

Reorder the terms:
-1 + 3x + (-8 + -7x) = 0

Remove parenthesis around (-8 + -7x)
-1 + 3x + -8 + -7x = 0

Reorder the terms:
-1 + -8 + 3x + -7x = 0

Combine like terms: -1 + -8 = -9
-9 + 3x + -7x = 0

Combine like terms: 3x + -7x = -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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