21a+2+16a-7=180

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Solution for 21a+2+16a-7=180 equation:


Simplifying
21a + 2 + 16a + -7 = 180

Reorder the terms:
2 + -7 + 21a + 16a = 180

Combine like terms: 2 + -7 = -5
-5 + 21a + 16a = 180

Combine like terms: 21a + 16a = 37a
-5 + 37a = 180

Solving
-5 + 37a = 180

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + 37a = 180 + 5

Combine like terms: -5 + 5 = 0
0 + 37a = 180 + 5
37a = 180 + 5

Combine like terms: 180 + 5 = 185
37a = 185

Divide each side by '37'.
a = 5

Simplifying
a = 5

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