X= 7
This is because of you plug in 7 for x into the equation it will give you 28-10 which is 18.
Answer:
3 male teachers didn't have sugar
Step-by-step explanation:
total number of male teachers = 3/5 x 20 = 12
3/4 of teachers have sugar, which is 15
3/5 of 15 = 9 (number of males who had sugar)
total number of males (12) minus number who had sugar (9) equals number of males who didn't have sugar (3)
Answer:
equation involves an equal sign, ' = '
while expression does not have an equal sign.
for example:
an equation is 5x² × 3 = y
an expression is 2xy + 3
First you multiple 6*18=108
Then -108+36=-72
That it
Good luck
Answer:first one is 2.8, second is 3.9
Step-by-step explanation:
