7(3a+4y)=

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Solution for 7(3a+4y)= equation: 


Simplifying
7(3a + 4y) = 0
(3a * 7 + 4y * 7) = 0
(21a + 28y) = 0

Solving
21a + 28y = 0

Solving for variable 'a'.

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

Add '-28y' to each side of the equation.
21a + 28y + -28y = 0 + -28y

Combine like terms: 28y + -28y = 0
21a + 0 = 0 + -28y
21a = 0 + -28y
Remove the zero:
21a = -28y

Divide each side by '21'.
a = -1.333333333y

Simplifying
a = -1.333333333y

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