7+3a-4=

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Solution for 7+3a-4= equation: 


Simplifying
7 + 3a + -4 = 0

Reorder the terms:
7 + -4 + 3a = 0

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

Solving
3 + 3a = 0

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 3a = 0 + -3

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

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

Divide each side by '3'.
a = -1

Simplifying
a = -1

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