-7a+15=4a-7

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Solution for -7a+15=4a-7 equation:


Simplifying
-7a + 15 = 4a + -7

Reorder the terms:
15 + -7a = 4a + -7

Reorder the terms:
15 + -7a = -7 + 4a

Solving
15 + -7a = -7 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
15 + -7a + -4a = -7 + 4a + -4a

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

Combine like terms: 4a + -4a = 0
15 + -11a = -7 + 0
15 + -11a = -7

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

Combine like terms: 15 + -15 = 0
0 + -11a = -7 + -15
-11a = -7 + -15

Combine like terms: -7 + -15 = -22
-11a = -22

Divide each side by '-11'.
a = 2

Simplifying
a = 2

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