\(2x\left(3y-2\right)+\left(3y-2\right)=-55\)
\(\left(3y-2\right)\left(2x+1\right)=-55=1.\left(-55\right)=\left(-1\right).55=\left(-5\right).11=5.\left(-11\right)\)
3y - 2 | 1 | -1 | -5 | 5 |
y | 1 | 1/3 (L) | -1 | 7/3 (L) |
2x + 1 | -55 | 55 | 11 | -11 |
x | -28 | 27 | 5 | -6 |
Vậy \(\left(y,x\right)=\left\{\left(1;-28\right),\left(-1;5\right)\right\}\)