7 I think because if you would put a zero behind the 4 and 7 and add them together it will be 110 and all that's left if u subtract them from 180 is 70 (7)
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Answer:
11
Step-by-step explanation:
Trust me
Answer: -5+8 because the difference (-) of -5 and 8 is 8 - (- 5) which can also be expressed as -5+8. All that matters is that 5 stays negative and 8 stays positive.
In standard form the two equations are
7x +y = 5
7x +y = -5
The equations describe lines that are parallel.
