Answer:
1. equation
2. equation
3. expression
4. expression
explanation is that an equation has an equal sign and an expression doesnt .
5. equation
Step-by-step explanation:
Answer:
x = 1
Step-by-step explanation:
2x + 3y = 20
2x + 3(10-4x) = 20
2x + 30 - 12x = 20
combine like terms
-10x + 30 = 20
-30 -30
-10x = -10
divide both sides by -10
x = 1
Hope this Helps!!!
Answer:
48
Step-by-step explanation:
!3x5 is 48
Plug in 4 for x and solve equation like so. c=2
Answer:
the change is 8.4 degrees
Step-by-step explanation:
1.2x7=8.4