3(28)+(3)2=a(30)

Solution for 3(28)+(3)2=a(30) equation:

Simplifying
3(28) + (3) * 2 = a(30)

Multiply 3 * 28
84 + (3) * 2 = a(30)

Multiply 3 * 2
84 + 6 = a(30)

Combine like terms: 84 + 6 = 90
90 = a(30)

Reorder the terms for easier multiplication:
90 = 30a

Solving
90 = 30a

Solving for variable 'a'.

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

Add '-30a' to each side of the equation.
90 + -30a = 30a + -30a

Combine like terms: 30a + -30a = 0
90 + -30a = 0

Add '-90' to each side of the equation.
90 + -90 + -30a = 0 + -90

Combine like terms: 90 + -90 = 0
0 + -30a = 0 + -90
-30a = 0 + -90

Combine like terms: 0 + -90 = -90
-30a = -90

Divide each side by '-30'.
a = 3

Simplifying
a = 3