-2a=10+(-7)

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


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

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

Solving
-2a = 3

Solving for variable 'a'.

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

Divide each side by '-2'.
a = -1.5

Simplifying
a = -1.5

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