Answer:
x=3.5
Step-by-step explanation:
AD/BD=AC/BC
x/4.2=5/6
6x=21
6x/6=21/6
x=3.5
Hope this helps! ;)
Answer:
y=0.75x + 1.25
Step-by-step explanation:
You just need to isolate y by transferring all the numbers to the other side of the equation (& the numbers with x)
Glad to help
A) multiply both sides by 21 so x=7
B) multiply both sides by x, then both sides by 84, then divide both sides by 150 so x=14