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Sagot :
Answer:
D. infinitely many
Step-by-step explanation:
5+2 = 7 so 4y + 7 = 5 + 2 + 4y just equals 4y + 7=4y + 7 and any value of y is true in that equation.
Answer:
D :)
Step-by-step explanation:
Add 55 and 22.
4y+7=7+4y4y+7=7+4y
Move all terms containing yy to the left side of the equation.
Subtract 4y4y from both sides of the equation.
4y+7−4y=74y+7-4y=7
Combine the opposite terms in
Subtract 4y4y from 4y4y.
0+7=70+7=7
Add 00 and 77.
7=77=7
Since 7=77=7, the equation will always be true for any value of yy.
All real numbers
The result can be shown in multiple forms.
All real numbers
Interval Notation:
(−∞,∞)
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