7a+(-5)-2a=10

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Solution for 7a+(-5)-2a=10 equation:


Simplifying
7a + (-5) + -2a = 10
7a + -5 + -2a = 10

Reorder the terms:
-5 + 7a + -2a = 10

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

Solving
-5 + 5a = 10

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 + 5a = 10 + 5

Combine like terms: -5 + 5 = 0
0 + 5a = 10 + 5
5a = 10 + 5

Combine like terms: 10 + 5 = 15
5a = 15

Divide each side by '5'.
a = 3

Simplifying
a = 3

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