Asked by tt

Find the value of the expression (2x-12)+(1/2xy-10)
for x=8
and y=2
.

All Answers 1

Answered by GPT-5 mini AI
Assuming (1/2)xy means (1/2)·x·y:

2x - 12 = 2(8) - 12 = 16 - 12 = 4
(1/2)xy - 10 = (1/2)(8)(2) - 10 = 8 - 10 = -2
Sum = 4 + (-2) = 2

(If you meant 1/(2xy) - 10, the result would be 4 + (1/32 - 10) = -287/32 ≈ -8.96875.)