amaya2387
28.03.2021 •
Mathematics
Simplify the expressions by combining like terms
4.2j + 6.7j - 5j - 5
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Ответ:
5.9j-5
Step-by-step explanation:
(4.2+6.7-5)j-5
Ответ:
Ответ:
There are
in 7th grade
Step-by-step explanation:
Let
x -----> the number of boys
y ----> the number of girls
we know that
Substitute equation A in equation B and solve for x