31a-2+4a+45=180

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Solution for 31a-2+4a+45=180 equation:


Simplifying
31a + -2 + 4a + 45 = 180

Reorder the terms:
-2 + 45 + 31a + 4a = 180

Combine like terms: -2 + 45 = 43
43 + 31a + 4a = 180

Combine like terms: 31a + 4a = 35a
43 + 35a = 180

Solving
43 + 35a = 180

Solving for variable 'a'.

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

Add '-43' to each side of the equation.
43 + -43 + 35a = 180 + -43

Combine like terms: 43 + -43 = 0
0 + 35a = 180 + -43
35a = 180 + -43

Combine like terms: 180 + -43 = 137
35a = 137

Divide each side by '35'.
a = 3.914285714

Simplifying
a = 3.914285714

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