Answer:
x=2
Step-by-step explanation:
2x+4=4x
-2x -2x
4=2x/2x
4/2=x
x=2
Answer:
Step-by-step explanation: answer is B
Answer:
C
Step-by-step explanation:
Given
30(
x - 2) + 40(
y - 4)
Multiply each of the terms in the first parenthesis by 30 and multiply each of the terms in the second parenthesis by 40.
= 15x - 60 + 30y - 160
= 15x + 30y - 220 → C
Answer:
r= −100c+100d/ct
Step-by-step explanation:
d=c(1+rt/100)
1/100crt+c=d
1/100crt+c+−c=d+−c
1/100crt=−c+d
= 