7x-8y=7 and 2x+y=2 solve by linear equation
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7x-8y=7, 2x+y=2
By using substitution method
7x = 7+8y
x = 7+8y/7
2(7+8y/7)+y=2
14+16y/7 + y = 2
14+16y+y =2*7
14+17y=14
17y= 14-14
17y = 0
y =0
7x-8(0)=7
7x -0 =7
x=7/7
x=1
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