3a-7a=a+5

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Solution for 3a-7a=a+5 equation:


Simplifying
3a + -7a = a + 5

Combine like terms: 3a + -7a = -4a
-4a = a + 5

Reorder the terms:
-4a = 5 + a

Solving
-4a = 5 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-4a + -1a = 5 + a + -1a

Combine like terms: -4a + -1a = -5a
-5a = 5 + a + -1a

Combine like terms: a + -1a = 0
-5a = 5 + 0
-5a = 5

Divide each side by '-5'.
a = -1

Simplifying
a = -1

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