7a+1+-3a=-4

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Solution for 7a+1+-3a=-4 equation:


Simplifying
7a + 1 + -3a = -4

Reorder the terms:
1 + 7a + -3a = -4

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

Solving
1 + 4a = -4

Solving for variable 'a'.

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

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

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

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

Divide each side by '4'.
a = -1.25

Simplifying
a = -1.25

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