3a-7+2a=180

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Solution for 3a-7+2a=180 equation:


Simplifying
3a + -7 + 2a = 180

Reorder the terms:
-7 + 3a + 2a = 180

Combine like terms: 3a + 2a = 5a
-7 + 5a = 180

Solving
-7 + 5a = 180

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 5a = 180 + 7

Combine like terms: -7 + 7 = 0
0 + 5a = 180 + 7
5a = 180 + 7

Combine like terms: 180 + 7 = 187
5a = 187

Divide each side by '5'.
a = 37.4

Simplifying
a = 37.4

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