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5 votes
HELP please this is due at 11:55 so like in hour and I am confused

HELP please this is due at 11:55 so like in hour and I am confused-example-1

1 Answer

5 votes
(10x-11)+(3x-2)+(3x+1)=180
16x -12=180
16x=192
x=12

(7x+5)+(3x-5)+90=80
10x+90=180
10x=90
x=90

180-151=29
(11x-1)+(20x-3)+29=180
31x-4+29=180
31x+25=180
31x=155
x=5


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