1. Twice the difference of 6 and a number, and the result increased by 2 is 8. What is the number? 2. Thirty divided by seven times a number is 1. What is the number?
(please write the algebraic expression and solve)

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Step-by-step explanation:

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in the attachment.   i didn't see your choices.   the word which means there is choices.

step-by-step explanation:

(x,y)

x tells you how much left or right you go from the origin

y tells you how much down or up you go from the origin

so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.