3a-8=2a-15

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Solution for 3a-8=2a-15 equation:


Simplifying
3a + -8 = 2a + -15

Reorder the terms:
-8 + 3a = 2a + -15

Reorder the terms:
-8 + 3a = -15 + 2a

Solving
-8 + 3a = -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.
-8 + 3a + -2a = -15 + 2a + -2a

Combine like terms: 3a + -2a = 1a
-8 + 1a = -15 + 2a + -2a

Combine like terms: 2a + -2a = 0
-8 + 1a = -15 + 0
-8 + 1a = -15

Add '8' to each side of the equation.
-8 + 8 + 1a = -15 + 8

Combine like terms: -8 + 8 = 0
0 + 1a = -15 + 8
1a = -15 + 8

Combine like terms: -15 + 8 = -7
1a = -7

Divide each side by '1'.
a = -7

Simplifying
a = -7

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