7a+3a-10=5a+80

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Solution for 7a+3a-10=5a+80 equation:


Simplifying
7a + 3a + -10 = 5a + 80

Reorder the terms:
-10 + 7a + 3a = 5a + 80

Combine like terms: 7a + 3a = 10a
-10 + 10a = 5a + 80

Reorder the terms:
-10 + 10a = 80 + 5a

Solving
-10 + 10a = 80 + 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.
-10 + 10a + -5a = 80 + 5a + -5a

Combine like terms: 10a + -5a = 5a
-10 + 5a = 80 + 5a + -5a

Combine like terms: 5a + -5a = 0
-10 + 5a = 80 + 0
-10 + 5a = 80

Add '10' to each side of the equation.
-10 + 10 + 5a = 80 + 10

Combine like terms: -10 + 10 = 0
0 + 5a = 80 + 10
5a = 80 + 10

Combine like terms: 80 + 10 = 90
5a = 90

Divide each side by '5'.
a = 18

Simplifying
a = 18

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