2a-7-5a=8

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Solution for 2a-7-5a=8 equation:


Simplifying
2a + -7 + -5a = 8

Reorder the terms:
-7 + 2a + -5a = 8

Combine like terms: 2a + -5a = -3a
-7 + -3a = 8

Solving
-7 + -3a = 8

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + -3a = 8 + 7

Combine like terms: -7 + 7 = 0
0 + -3a = 8 + 7
-3a = 8 + 7

Combine like terms: 8 + 7 = 15
-3a = 15

Divide each side by '-3'.
a = -5

Simplifying
a = -5

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