Mathematics, 14.02.2021 17:10 kieramacphee3533
You could produce a pair of like terms with opposite coefficients by multiplying the first equation by what number?
6
If you multiply the first equation by 6, the following system is the result.
3x + 9y = -42
-3x + 2y = -2
To solve this system by elimination,
✔ add
the equations.
The solution to the system is
(
1/2
⇒ -2,
5
⇒ -4)
Answers: 1
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