Question

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Answer 1

1) 4 (y-6)=x-6
4y-24=x-6
4y-x=18

2 (y+10)=x+10
2y+20=x+10
2y-x=10

4y-x=18
- (2y-x=-10)
__________
2y=28
y=14
x=38

2) 2 (x)+3 (x+1)+4 (x+2)=740
2x+3x +3 +4x +8=740
9x+11=740
9x=729
x=81