4 times a number and 3 times another number added together make 43. 2 times the second number,Subtracted from 3 times the first give 11. what are the numbers ?
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let the first no. be x and the second no. be y
4x+3y=43
Now,
3x-2y=11
(4x+3y=43)*2
(3x-2y=11)*3
8x+6y=86
9x-6y=33
Adding both equations
17x=119
x=7
y=(86-8x)/6
y=(86-17*8)/6
y=(86-136)/6
y=-50/6
y=-25/3
4x+3y=43
Now,
3x-2y=11
(4x+3y=43)*2
(3x-2y=11)*3
8x+6y=86
9x-6y=33
Adding both equations
17x=119
x=7
y=(86-8x)/6
y=(86-17*8)/6
y=(86-136)/6
y=-50/6
y=-25/3
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