25-7=5a

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Solution for 25-7=5a equation:


Simplifying
25 + -7 = 5a

Combine like terms: 25 + -7 = 18
18 = 5a

Solving
18 = 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
18 + -5a = 5a + -5a

Combine like terms: 5a + -5a = 0
18 + -5a = 0

Add '-18' to each side of the equation.
18 + -18 + -5a = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -5a = 0 + -18
-5a = 0 + -18

Combine like terms: 0 + -18 = -18
-5a = -18

Divide each side by '-5'.
a = 3.6

Simplifying
a = 3.6

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