6a-20=2a-7

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Solution for 6a-20=2a-7 equation:


Simplifying
6a + -20 = 2a + -7

Reorder the terms:
-20 + 6a = 2a + -7

Reorder the terms:
-20 + 6a = -7 + 2a

Solving
-20 + 6a = -7 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-20 + 6a + -2a = -7 + 2a + -2a

Combine like terms: 6a + -2a = 4a
-20 + 4a = -7 + 2a + -2a

Combine like terms: 2a + -2a = 0
-20 + 4a = -7 + 0
-20 + 4a = -7

Add '20' to each side of the equation.
-20 + 20 + 4a = -7 + 20

Combine like terms: -20 + 20 = 0
0 + 4a = -7 + 20
4a = -7 + 20

Combine like terms: -7 + 20 = 13
4a = 13

Divide each side by '4'.
a = 3.25

Simplifying
a = 3.25

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