7(a-3)=56

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Solution for 7(a-3)=56 equation: 


Simplifying
7(a + -3) = 56

Reorder the terms:
7(-3 + a) = 56
(-3 * 7 + a * 7) = 56
(-21 + 7a) = 56

Solving
-21 + 7a = 56

Solving for variable 'a'.

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

Add '21' to each side of the equation.
-21 + 21 + 7a = 56 + 21

Combine like terms: -21 + 21 = 0
0 + 7a = 56 + 21
7a = 56 + 21

Combine like terms: 56 + 21 = 77
7a = 77

Divide each side by '7'.
a = 11

Simplifying
a = 11

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