step by step how to solve by elminiation

for -x-7y=14 and -4x-14y=28
in Algebra 1 Answers by Level 1 User (180 points)

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1 Answer

line 1: -x -7y=+14 or x+7y=-14  or 2x +14y =-28

line 2: -4x -14y=28

line1+line2...(2x-4x) +(14y-14y)= (28-28)

-2x=0

x=0

from line1...y=(-x/7) -2

y=-2
by

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