-7+9a=3+6a+20

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Solution for -7+9a=3+6a+20 equation:


Simplifying
-7 + 9a = 3 + 6a + 20

Reorder the terms:
-7 + 9a = 3 + 20 + 6a

Combine like terms: 3 + 20 = 23
-7 + 9a = 23 + 6a

Solving
-7 + 9a = 23 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
-7 + 9a + -6a = 23 + 6a + -6a

Combine like terms: 9a + -6a = 3a
-7 + 3a = 23 + 6a + -6a

Combine like terms: 6a + -6a = 0
-7 + 3a = 23 + 0
-7 + 3a = 23

Add '7' to each side of the equation.
-7 + 7 + 3a = 23 + 7

Combine like terms: -7 + 7 = 0
0 + 3a = 23 + 7
3a = 23 + 7

Combine like terms: 23 + 7 = 30
3a = 30

Divide each side by '3'.
a = 10

Simplifying
a = 10

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