4+3a-7a=8

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Solution for 4+3a-7a=8 equation: 


Simplifying
4 + 3a + -7a = 8

Combine like terms: 3a + -7a = -4a
4 + -4a = 8

Solving
4 + -4a = 8

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + -4a = 8 + -4

Combine like terms: 4 + -4 = 0
0 + -4a = 8 + -4
-4a = 8 + -4

Combine like terms: 8 + -4 = 4
-4a = 4

Divide each side by '-4'.
a = -1

Simplifying
a = -1

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