7a-8=11a+15

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Solution for 7a-8=11a+15 equation:


Simplifying
7a + -8 = 11a + 15

Reorder the terms:
-8 + 7a = 11a + 15

Reorder the terms:
-8 + 7a = 15 + 11a

Solving
-8 + 7a = 15 + 11a

Solving for variable 'a'.

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

Add '-11a' to each side of the equation.
-8 + 7a + -11a = 15 + 11a + -11a

Combine like terms: 7a + -11a = -4a
-8 + -4a = 15 + 11a + -11a

Combine like terms: 11a + -11a = 0
-8 + -4a = 15 + 0
-8 + -4a = 15

Add '8' to each side of the equation.
-8 + 8 + -4a = 15 + 8

Combine like terms: -8 + 8 = 0
0 + -4a = 15 + 8
-4a = 15 + 8

Combine like terms: 15 + 8 = 23
-4a = 23

Divide each side by '-4'.
a = -5.75

Simplifying
a = -5.75

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