Question

solve using the substitution method 5x+2y=7 y= x-7

Answer 1

First you will solve the first equation for y and then substitute.

Answer 2

Or a simpler way take e2 and plug it into e1 since we know the value of y already,
\[\huge~\rm~\bf~5x+2(x−7)=7 \]
You can solve for x

Answer 3

k so is the answer 3,-4?

Answer 4

yes well done

Answer 5

thanks

Answer 6

i have 2 more

Answer 7

kk