(7x-9)+(3x+8)=180

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Solution for (7x-9)+(3x+8)=180 equation:


Simplifying
(7x + -9) + (3x + 8) = 180

Reorder the terms:
(-9 + 7x) + (3x + 8) = 180

Remove parenthesis around (-9 + 7x)
-9 + 7x + (3x + 8) = 180

Reorder the terms:
-9 + 7x + (8 + 3x) = 180

Remove parenthesis around (8 + 3x)
-9 + 7x + 8 + 3x = 180

Reorder the terms:
-9 + 8 + 7x + 3x = 180

Combine like terms: -9 + 8 = -1
-1 + 7x + 3x = 180

Combine like terms: 7x + 3x = 10x
-1 + 10x = 180

Solving
-1 + 10x = 180

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 10x = 180 + 1

Combine like terms: -1 + 1 = 0
0 + 10x = 180 + 1
10x = 180 + 1

Combine like terms: 180 + 1 = 181
10x = 181

Divide each side by '10'.
x = 18.1

Simplifying
x = 18.1

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