a+3a+10+a-7=180

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Solution for a+3a+10+a-7=180 equation:


Simplifying
a + 3a + 10 + a + -7 = 180

Reorder the terms:
10 + -7 + a + 3a + a = 180

Combine like terms: 10 + -7 = 3
3 + a + 3a + a = 180

Combine like terms: a + 3a = 4a
3 + 4a + a = 180

Combine like terms: 4a + a = 5a
3 + 5a = 180

Solving
3 + 5a = 180

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 5a = 180 + -3

Combine like terms: 3 + -3 = 0
0 + 5a = 180 + -3
5a = 180 + -3

Combine like terms: 180 + -3 = 177
5a = 177

Divide each side by '5'.
a = 35.4

Simplifying
a = 35.4

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