Question

2(x+10)+3(y-10)+50for x=10 and y=-10find the value

Answer 1

Answer:

$2(x + 10) \\ if \: x = 10 \\ 2(10 + 10) \\ = 2(20) \\ = 40 \\ 3(y - 10) \\ if \: y = - 10 \\ = 3( - 10 - 10) \\ = 3( - 20) \\ = - 60$