for the simultaneous equations 4x+3y = 19 and 4x-3y = -11 —— is the value of Dx. i About the author Delilah
Answer: [tex]4x + 3y = \: \: 19 \\ 4x – 3y = – 11 \\ – – – – – – – – \\ 8x = 8 \\ x = \frac{8}{8} \\ x = \underline{ \underline{ 1}} \\ \\ 4x + 3y = 19 \\ 4(1) + 3y = 19 \\ 4 + 3y = 19 \\ 3y = 19 – 4 \\ 3y = 15 \\ y = \frac{15}{3} \\ y = \underline{ \underline{5}}[/tex] Reply
Answer:
[tex]4x + 3y = \: \: 19 \\ 4x – 3y = – 11 \\ – – – – – – – – \\ 8x = 8 \\ x = \frac{8}{8} \\ x = \underline{ \underline{ 1}} \\ \\ 4x + 3y = 19 \\ 4(1) + 3y = 19 \\ 4 + 3y = 19 \\ 3y = 19 – 4 \\ 3y = 15 \\ y = \frac{15}{3} \\ y = \underline{ \underline{5}}[/tex]
Answer:
24
Step-by-step explanation: