A) X -Y =10 y = 5
b) X = 20 , y = 6
c) X = 14, y = 4
​

a) X - Y = 10

and,

X - 5 = 10

or, X = 10 + 5

or, X = 15

And i don't get the other two questions

Hope this helped

Hope this helped ALL THE BEST !!

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

it has changed from the width and the height.

step-by-step explanation: