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MeIsBella
03.09.2019 •
Mathematics
Taylor tried to solve an equation step by step.
7(y+4.5)= 32.5
step 1. 7y + 4.5= 32.5
step 2. 7y= 28
step 3. y= 4
find taylor’s mistake.
choose one
a) step 1
b) step 2
c) step 3
d) taylor didn’t make a mistake.
can you me with this problem! ?
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Ответ:
Step 1
Step-by-step explanation:
Taylor tried to solve an equation step by step.
Step 1.![7y + 4.5= 32.5](/tpl/images/0222/1429/a0ee6.png)
In step 1, 7 is distributed inside the parenthesis. Taylor forgot to multiply 7 with 4.5. WE need to multiply 7 with y and 7 with 4.5
So equation becomes
Step 2.![7y= 28](/tpl/images/0222/1429/6f2ee.png)
Step 3.![y= 4](/tpl/images/0222/1429/cc211.png)
Taylor did mistake in step 1. 7 is not distributed correctly inside the parenthesis.
Ответ:
x = -15 - y
y = -15 - x