Distribute the 2 to get the pink box
10x + 2y = 18
Then if we are subtracting the bottom equation from the pink box
10x + 2y = 18
-(10x -7y = -18)
9y = 36
y = 4
Answer: she will need 4 yards of fabric to make 2 shirts
Answer:
6x
Step-by-step explanation:
Answer:
7*6-x
or
42-x
Step-by-step explanation:
decrease means subtraction,
product means multiplication
let x be the number you are decreasing by.
I am not really sure how to explain this, but here I go.
you take away x from the number that equals 6*7.
6*7 is 42 and you take away x from that, you get 42-x
or if you want to leave it unsimplified,
6*7-x
Answer:
468
Step-by-step explanation:
25+11=36 x (10+3)
36 x 13= 468