7a+50+14a-20=180

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Solution for 7a+50+14a-20=180 equation:


Simplifying
7a + 50 + 14a + -20 = 180

Reorder the terms:
50 + -20 + 7a + 14a = 180

Combine like terms: 50 + -20 = 30
30 + 7a + 14a = 180

Combine like terms: 7a + 14a = 21a
30 + 21a = 180

Solving
30 + 21a = 180

Solving for variable 'a'.

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

Add '-30' to each side of the equation.
30 + -30 + 21a = 180 + -30

Combine like terms: 30 + -30 = 0
0 + 21a = 180 + -30
21a = 180 + -30

Combine like terms: 180 + -30 = 150
21a = 150

Divide each side by '21'.
a = 7.142857143

Simplifying
a = 7.142857143

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