(1) x+y=7;x-y=-1 (2) 2x+y=8;x-2y=-1 (3) 4x+3y=5;2x-y=2 by substitution method please solve fast
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Step-by-step explanation:
x + y = 7
x= 7-y
by substitute the x value in the next equation
2 ( 7-y) +y=8
14-2y +y = 8
14-y=8
14-8=y
6 = y
x= 7-6
x=1
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