Ian solved the system of equations by making a substitution for y in the second equation.

What equation did he get as a result of that substitution?

y = –3x + 1
5x – 2y = 31

Question

Ian solved the system of equations by making a substitution for y in the second equation.

What equation did he get as a result of that substitution?

y = –3x + 1
5x – 2y = 31

anonymous · Answer

5x + 6x + 1 = 31
       5x + 6x – 2 = 31
       –15x + 5x = 31
       –15x – x = 31

anonymous · Answer

B??

butterfield1215 · Answer

i will give you a site that you can use that will help you with this kin of stuff its called mathway.com and it checks your work and i will check to see if your right

butterfield1215 · Answer

your correct

anonymous · Answer

5x – 2y = 31
5x - 2(–3x + 1) = 31
5x +6x -2 = 31

anonymous · Answer

Off course you guessed it right :)

anonymous · Answer

Thank you!