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StacySams7361
25.06.2019 •
Mathematics
Solve the system by substitution y=10x y=-3x-104
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Ответ:
(-8, -80)
Step-by-step explanation:
y = 10x
y = -3x - 104
Substitute "y" with "10x" into the second equation, then solve for x:
10x = -3x - 104
13x = -104 added 3x to both sides
x = -8 divided both sides by 13
Next, substitute -8 for x into the first equation to solve for y:
y = 10(-8)
= -80
Ответ:
You just switch the two numbers