nosleepbrooklyn2006
10.03.2020 •
Mathematics
The steps to solve the given equation for x are shown below.
Given:
10 + 8x = 18 + 4x
Step 1: 10 + 8x + (-4x) = 18 + 40x + (-4x)
Step 2:
10 + 4x = 18 + 0
Step 3:
10 + 4x = 18
Step 4: (-10) + 10 + 4x = (-10) + 18
Step 5: 0 + 4x = 8
Step 6: 4x = 8
Select the property which is being used to write step 2.
A. multiplicative identity property
B.additive identity property
C. inverse property of addition
D. associative property
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Ответ:
1. x= -3. 2. (-3,-4). 3. axis of symmetry. 4. 2 zeros. 5. (-5,0) and (-1,0) or -1 and -5.
6. 0.
Step-by-step explanation:
Hope this helps!