Answer:
u=8
Step-by-step explanation:
First, write it out: 2(u-3)=10
Next, use distributive property, which means to multiply the outside number with each number in the parentheses: 2u-6=10
Now, think of what minus 6 is 10: 16
What times 2 is 16: 8
2*8=16 16-6=10 u=8