Step-by-step explanation:
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below :)
Hm
10 + 4 x 2 - 3
=10 + 8 - 3
=18 - 3
=15
Answer:
11
Step-by-step explanation:
50-x=3(24-x)
50-x=72-3x
2x=22
x=11years ago when kate's father was 3 times as old as kate=11
A.
lxl=7
x=7 x=-7 (Take two cases, one as the others side negative and the other as positive)
B.
l2xl=32
2x=32 2x=-32
x=16 x=-16
C.
lx+7l=10
x+7=10 x+7=-10
x=3 x=-17
D.
lxl=53.1
x=53.1 x=-53.1
Assuming that the triangle is isoceles, the answer should be 30.