(3*5)t+(21-12)=15t+3(2)

Solution for (3*5)t+(21-12)=15t+3(2) equation:

Simplifying
(3 * 5) * t + (21 + -12) = 15t + 3(2)

Multiply 3 * 5
(15) * t + (21 + -12) = 15t + 3(2)

Combine like terms: 21 + -12 = 9
15t + (9) = 15t + 3(2)
15t + 9 = 15t + 3(2)

Reorder the terms:
9 + 15t = 15t + 3(2)

Multiply 3 * 2
9 + 15t = 15t + 6

Reorder the terms:
9 + 15t = 6 + 15t

Add '-15t' to each side of the equation.
9 + 15t + -15t = 6 + 15t + -15t

Combine like terms: 15t + -15t = 0
9 + 0 = 6 + 15t + -15t
9 = 6 + 15t + -15t

Combine like terms: 15t + -15t = 0
9 = 6 + 0
9 = 6

Solving
9 = 6

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.