-7a-5=-2a-15

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Solution for -7a-5=-2a-15 equation:


Simplifying
-7a + -5 = -2a + -15

Reorder the terms:
-5 + -7a = -2a + -15

Reorder the terms:
-5 + -7a = -15 + -2a

Solving
-5 + -7a = -15 + -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.
-5 + -7a + 2a = -15 + -2a + 2a

Combine like terms: -7a + 2a = -5a
-5 + -5a = -15 + -2a + 2a

Combine like terms: -2a + 2a = 0
-5 + -5a = -15 + 0
-5 + -5a = -15

Add '5' to each side of the equation.
-5 + 5 + -5a = -15 + 5

Combine like terms: -5 + 5 = 0
0 + -5a = -15 + 5
-5a = -15 + 5

Combine like terms: -15 + 5 = -10
-5a = -10

Divide each side by '-5'.
a = 2

Simplifying
a = 2

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