I guess you multiply everything times "x", the Xs cancel out, then you will have " a + b = 1x " basically the one does not make any change, so you will end with a " a + b = x "
Multiply each side by 2.5 than add for perimeter .
Answer:
k and l....................
Answer:
x = 20
Step-by-step explanation:
There is a right angle which is 90 degrees. Part of the angle is 30 degrees, so the other measure is 60 degrees, which is the 3x.
Make an equation.
3x = 60
Divide both sides by 3
3x/3 = 60/3
x = 20