7+10a+3a=

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


Simplifying
7 + 10a + 3a = 0

Combine like terms: 10a + 3a = 13a
7 + 13a = 0

Solving
7 + 13a = 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 + 13a = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 13a = 0 + -7
13a = 0 + -7

Combine like terms: 0 + -7 = -7
13a = -7

Divide each side by '13'.
a = -0.5384615385

Simplifying
a = -0.5384615385

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