Answer:
u=15.8
Step-by-step explanation:
To solve, simplify using the distributive property and combining like terms.
10u -7 =8(24-4)-9
10u-7=8*24-8*4-9
10u-7=192 - 32 - 9
10u - 7 =160 - 9
10u - 7 = 151
10u = 151+7
10u = 158