7a-15+9a+25=180

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Solution for 7a-15+9a+25=180 equation:


Simplifying
7a + -15 + 9a + 25 = 180

Reorder the terms:
-15 + 25 + 7a + 9a = 180

Combine like terms: -15 + 25 = 10
10 + 7a + 9a = 180

Combine like terms: 7a + 9a = 16a
10 + 16a = 180

Solving
10 + 16a = 180

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + 16a = 180 + -10

Combine like terms: 10 + -10 = 0
0 + 16a = 180 + -10
16a = 180 + -10

Combine like terms: 180 + -10 = 170
16a = 170

Divide each side by '16'.
a = 10.625

Simplifying
a = 10.625

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