luis759
09.11.2020 •
Mathematics
How to solve y=2x-10 and 6x+7y=10 using substitution
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Ответ:
x=4
Step-by-step explanation:
y=2x-10 and 6x+7y=10
6x+7(2x-10)=10
6x+14x-70=10
20x=80
x=4
Ответ:
0.5
Step-by-step explanation:
2.2 is approximately 2.
2 divided by 4 is 0.5, so 2.2 divided by 4 must be close to 0.5.
0.5