2(a-4)=7

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Solution for 2(a-4)=7 equation: 


Simplifying
2(a + -4) = 7

Reorder the terms:
2(-4 + a) = 7
(-4 * 2 + a * 2) = 7
(-8 + 2a) = 7

Solving
-8 + 2a = 7

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + 2a = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 2a = 7 + 8
2a = 7 + 8

Combine like terms: 7 + 8 = 15
2a = 15

Divide each side by '2'.
a = 7.5

Simplifying
a = 7.5

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