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3x+4y=16 -4x-3y=-19
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Yes
Multiply both sides of the 1st equation by 4 Multiply both sides of the 2nd equation by 3
then subtract them
one of variable get eliminated
then solve for remaining variable
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when we get value of variable
f another
did you get it or not
12x+16y=64 -12x-9y=-57
So it's (0,0)
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12x + 16y = 64 -12x - 9y = -57 ---------------add 7y = 7 y = 1 do you see how I got that ?
Yes i got it whic is (0,1)
now sub 1 in for y in either equation to find x 3x + 4y = 16 3x + 4(1) = 16 3x + 4 = 16 3x = 16 - 4 3x = 12 x = 4 check.. -4x - 3y = -19 -4(4) - 3(1) = -19 -16 - 3 = -19 -19 = -19 (correct) solution is : (4,1)
do you have any questions at all ?
if so, tag me and I will be happy to explain
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Thank u :)
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