Answer:
The answer is (-3,7/2)
Step-by-step explanation:
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Answer:
3x+y=5x-y
Step-by-step explanation:
Answer:
x=3
Step-by-step explanation:
3(2x+5)=4x+21
6x+15=4x+21
-4x -4x
2x+15= 21
-15 -15
2x=6
2 2
<h2>x=3 Hope that helped!!!!</h2>
In which step did the student first make an error?
Answer: Step 2
Step 2 should be:
−3y = -45 + 6z