donivin
13.04.2021 •
Mathematics
2x-2y =22
4x+2y=38
How to solve using systems elimination
Solved
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Ответ:
(10,-1)
Step-by-step explanation:
6x=60
x=10
20-2y=22
-2y=2
y=-1
Ответ:
x=10; y=-1
Step-by-step explanation:
To solve this via elimination:
get rid of the y's like this:
4x+2y=38 + 2x-2y=22
6x=60
x=10
20-2y=22
y=-1
Ответ:
The boxes that are side by side would be 85+40.
the box all the way at the bottom would be 125