nutellangie
29.01.2021 •
Mathematics
For what value of x would these two equations have the same value? y = 45 + 20x y = 30 + 26x
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Ответ:
x=2.5 For both equations to be equal.
Step-by-step explanation:
45+20x=30+26x
Subtract 45 from each sides.
20x=-15+26x
Subtract 26x
-6x=-15
x=2.5
Check:
45+20(2.5)=30+26(2.5)
45+50=30+65
95=95 Correct!
Ответ:
4
Step-by-step explanation: