jakebice3643
22.07.2020 •
Mathematics
I'm marking brainliest bad answers grt a report an ban. ---- ----------- When solving this system of equations with substitution one of the following is a step. x+y=6, - 6x+8y = 6 * --------------------------------------------- -6(-x + 6) + 8y = 6 x+y = 6 -6x+8 (-x + 6) = 6 8y = 6x + 6
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Ответ:
-6x + 8(-x+6) = 6
Step-by-step explanation:
x+y = 6 => y = 6-x (1)
Substitute y (1) in
-6x+8y = 6 (2)
to get
-6x + 8(6-x) = 6
or equivalently
-6x + 8(-x+6) = 6
Ответ: