X=skirt
y=sweater
z=shoes
x+y+z=165
y=8/7x
z=x+11
plug it in
x+(8/7x)+(x+11)=165
2x+8/7x=154
22/7x=154
x=49
y=56
z=60
a skirt cost $49, a sweater cost $56, and a pair of shoes cost $60
Add like terms just like you would anywhere else...
Answer: 53x^7
Step-by-step explanation:
Subtracting a negative is like adding.
When adding fractions you need to get common denominators then you multiply too times bottom and then boom add and there you go
Answer:
the answer is 632
Step-by-step explanation:
that is %79 of 800