taylormill137ow6qqw
taylormill137ow6qqw taylormill137ow6qqw
  • 12-09-2017
  • Mathematics
contestada

solve the pair of simultaneous equations:
2x + y=7
x-2y+1

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Stormpegacat
Stormpegacat Stormpegacat
  • 12-09-2017
2x + y = 7 is an eqn of a straight liney = -2x +7with a slope of -2, and an intercept of 7 the table is for a straight line with a positive slope of 2found from e.g using the first two points in the table: (1 - -1)/(-3 -  -4) = 2and an intercept of 7y = 2x + 7 or-2x + y = 7
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Angieang Angieang
  • 12-09-2017
This is middle school right
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