Answer:
The last block where is says y=13-2x and 4x-y=-1 is the correct answer
I got a 100% in this test. It is right
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This question confused me. I don't know what u are asking
Answer:
the first option
a = -2
b = 3
Step-by-step explanation:
See photo attached. (:
ANSWER

EXPLANATION
Recall that,

That is why

is equivalent to

This implies that,

This is the same as,

When we are dividing by

we move the decimal point backwards two times.
This implies that,