10+2a-3+5a=

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Solution for 10+2a-3+5a= equation:


Simplifying
10 + 2a + -3 + 5a = 0

Reorder the terms:
10 + -3 + 2a + 5a = 0

Combine like terms: 10 + -3 = 7
7 + 2a + 5a = 0

Combine like terms: 2a + 5a = 7a
7 + 7a = 0

Solving
7 + 7a = 0

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 + 7a = 0 + -7

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

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

Divide each side by '7'.
a = -1

Simplifying
a = -1

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