Answer:
2
Step-by-step explanation:
2u+10=22+u
or,2u-u=22-10
or, u=2____1
u = 12
2u + 10 = 22 + u
Shift the u on the right side to the left side, changing the + to -.
2u - u + 10 = 22
Simplify 2u - u
u + 10 = 22
Minus 10 from both sides.
Checking:
2(12) + 10 = 22 + 12
24 + 10 = 34
34 = 34
