2-5a=7

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Solution for 2-5a=7 equation: 


Simplifying
2 + -5a = 7

Solving
2 + -5a = 7

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + -5a = 7 + -2

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

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

Divide each side by '-5'.
a = -1

Simplifying
a = -1

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