3a-(4)=7

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Solution for 3a-(4)=7 equation: 


Simplifying
3a + -1(4) = 7

Multiply -1 * 4
3a + -4 = 7

Reorder the terms:
-4 + 3a = 7

Solving
-4 + 3a = 7

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 + 3a = 7 + 4

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

Combine like terms: 7 + 4 = 11
3a = 11

Divide each side by '3'.
a = 3.666666667

Simplifying
a = 3.666666667

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