4.3 I’m pretty sure is the correct answer
Answer:
i
Step-by-step explanation:
8-21
9- -16 i think lemme do the next ones
Answer:
Okay you have isolate a variable. As long as you perform the some operation on both sides the equations holds true. So I'll multiply the bottom one by three. 3x - 3y = 27. Now if I add the equations together I get 5x is 35 or x is 7. Then plug it back into either equation. 7 minus what is 9? -2. Y is -2