2 answers:
I say step 4 is incorrect.
<span>Equation 2 starts off at 4m=4+4n not -4. so trace steps back to step 1 and look at the numbers again</span>
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Answer:
7.5
Step-by-step explanation:
gradient=(y1-y2)/(X1-x2)
9x-3+69-3x=0
6x+66=0
6x=-66
X=-11
A)line a and line b is your answer.
