10-7a=80

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Solution for 10-7a=80 equation: 


Simplifying
10 + -7a = 80

Solving
10 + -7a = 80

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + -7a = 80 + -10

Combine like terms: 10 + -10 = 0
0 + -7a = 80 + -10
-7a = 80 + -10

Combine like terms: 80 + -10 = 70
-7a = 70

Divide each side by '-7'.
a = -10

Simplifying
a = -10

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