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PLEASE HELP

Three times the number of blue marbles exceeds twice the number of red marbles by 18 also five times the number of blue marbles is two less than six times the number of red marbles how much of each are there

Respuesta :

calculista
Let
x----------> number of blue marbles
y----------> number of red marbles

we know that
3x=2y+18----------> y=(3x-18)/2------> equation 1
and
5x=6y-2-----------> y=(5x+2)/6----------> equation 2
(1)=(2)
(3x-18)/2=(5x+2)/6----> 3*(3x-18)=5x+2
9x-54=5x+2
9x-5x=2+54-------> 4x=56---------> x=14
y=(3x-18)/2-------> y=(3*14-18)/2=24/2-------> y=12

the answer is
14 blue marbles
12 red marbles


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