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Solving by graphing DQ 1

Solving by substitution

Solving by elimination

Which method do you think would be best to solve this system?
y=10x-8
y=1/2x+5

1 answer

y = 10x - 8

Multiply both sides of second equation by 20.

20y = 10x + 100

Subtract first equation from second.

19y = 108
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