1+2a-7=5+9a-11

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Solution for 1+2a-7=5+9a-11 equation:


Simplifying
1 + 2a + -7 = 5 + 9a + -11

Reorder the terms:
1 + -7 + 2a = 5 + 9a + -11

Combine like terms: 1 + -7 = -6
-6 + 2a = 5 + 9a + -11

Reorder the terms:
-6 + 2a = 5 + -11 + 9a

Combine like terms: 5 + -11 = -6
-6 + 2a = -6 + 9a

Add '6' to each side of the equation.
-6 + 6 + 2a = -6 + 6 + 9a

Combine like terms: -6 + 6 = 0
0 + 2a = -6 + 6 + 9a
2a = -6 + 6 + 9a

Combine like terms: -6 + 6 = 0
2a = 0 + 9a
2a = 9a

Solving
2a = 9a

Solving for variable 'a'.

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

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

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

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

Divide each side by '-7'.
a = 0

Simplifying
a = 0

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