(4x-20)+(3x+10)=180-a

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Solution for (4x-20)+(3x+10)=180-a equation:


Simplifying
(4x + -20) + (3x + 10) = 180 + -1a

Reorder the terms:
(-20 + 4x) + (3x + 10) = 180 + -1a

Remove parenthesis around (-20 + 4x)
-20 + 4x + (3x + 10) = 180 + -1a

Reorder the terms:
-20 + 4x + (10 + 3x) = 180 + -1a

Remove parenthesis around (10 + 3x)
-20 + 4x + 10 + 3x = 180 + -1a

Reorder the terms:
-20 + 10 + 4x + 3x = 180 + -1a

Combine like terms: -20 + 10 = -10
-10 + 4x + 3x = 180 + -1a

Combine like terms: 4x + 3x = 7x
-10 + 7x = 180 + -1a

Solving
-10 + 7x = 180 + -1a

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 7x = 180 + 10 + -1a

Combine like terms: -10 + 10 = 0
0 + 7x = 180 + 10 + -1a
7x = 180 + 10 + -1a

Combine like terms: 180 + 10 = 190
7x = 190 + -1a

Divide each side by '7'.
x = 27.14285714 + -0.1428571429a

Simplifying
x = 27.14285714 + -0.1428571429a

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