4a-9=2a+7

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Solution for 4a-9=2a+7 equation:


Simplifying
4a + -9 = 2a + 7

Reorder the terms:
-9 + 4a = 2a + 7

Reorder the terms:
-9 + 4a = 7 + 2a

Solving
-9 + 4a = 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.
-9 + 4a + -2a = 7 + 2a + -2a

Combine like terms: 4a + -2a = 2a
-9 + 2a = 7 + 2a + -2a

Combine like terms: 2a + -2a = 0
-9 + 2a = 7 + 0
-9 + 2a = 7

Add '9' to each side of the equation.
-9 + 9 + 2a = 7 + 9

Combine like terms: -9 + 9 = 0
0 + 2a = 7 + 9
2a = 7 + 9

Combine like terms: 7 + 9 = 16
2a = 16

Divide each side by '2'.
a = 8

Simplifying
a = 8

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