3+t+2u-3t+7=

Solution for 3+t+2u-3t+7= equation:

Simplifying
3 + t + 2u + -3t + 7 = 0

Reorder the terms:
3 + 7 + t + -3t + 2u = 0

Combine like terms: 3 + 7 = 10
10 + t + -3t + 2u = 0

Combine like terms: t + -3t = -2t
10 + -2t + 2u = 0

Solving
10 + -2t + 2u = 0

Solving for variable 't'.

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

Add '-10' to each side of the equation.
10 + -2t + -10 + 2u = 0 + -10

Reorder the terms:
10 + -10 + -2t + 2u = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -2t + 2u = 0 + -10
-2t + 2u = 0 + -10

Combine like terms: 0 + -10 = -10
-2t + 2u = -10

Add '-2u' to each side of the equation.
-2t + 2u + -2u = -10 + -2u

Combine like terms: 2u + -2u = 0
-2t + 0 = -10 + -2u
-2t = -10 + -2u

Divide each side by '-2'.
t = 5 + u

Simplifying
t = 5 + u