catman7884
27.07.2020 •
Mathematics
If 2x+1/4 = 12/20 what is the value of x
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Ответ:
0.7 or 7/10
Step-by-step explanation:
Step 1: Cross-multiply.
2x+1 / 4 = 12 /20
(2x+1)*(20)=(12)*(4)
40x+20=48
Step 2: Subtract 20 from both sides.
40x+20−20=48−20
40x=28
Step 3: Divide both sides by 40.
40x /40 = 28 /40
x= 7 /10
x= 7 /10
7/10 = 0.7
Ответ:
878
Step-by-step explanation:
that is because i know what i am doing.