1+3-7a=

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Solution for 1+3-7a= equation: 


Simplifying
1 + 3 + -7a = 0

Combine like terms: 1 + 3 = 4
4 + -7a = 0

Solving
4 + -7a = 0

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 + -7a = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -7a = 0 + -4
-7a = 0 + -4

Combine like terms: 0 + -4 = -4
-7a = -4

Divide each side by '-7'.
a = 0.5714285714

Simplifying
a = 0.5714285714

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