Solve each system using the substitution method.

y=x-1
-2x+3y=-6

what is x?
what is y?

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Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

It says factor each expression completely 8y+48

Find the slope of the line passing through a pair of points