Answer:
-3 X 7= -21
Step-by-step explanation:
If x=1 and y=5 we get as 4product of 1+5=9
=4+5=9
9=9
lhs=rhs
Answer:
what graph
Step-by-step explanation:
Answer:
no
Step-by-step explanation:
i dont know what ur talking about
Answer:
step 1: x+50+4x=90
the angle of a right-angled triangle is 90 degrees, therefore if we add everything together ,we could work out what x is.
step 2: x+50+4x=90
x+4x=50
5x=50
x=10
then you solve the equation, x is 10