70-a=25

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Solution for 70-a=25 equation:


Simplifying
70 + -1a = 25

Solving
70 + -1a = 25

Solving for variable 'a'.

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

Add '-70' to each side of the equation.
70 + -70 + -1a = 25 + -70

Combine like terms: 70 + -70 = 0
0 + -1a = 25 + -70
-1a = 25 + -70

Combine like terms: 25 + -70 = -45
-1a = -45

Divide each side by '-1'.
a = 45

Simplifying
a = 45

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