Impara online a risolvere i problemi di equazioni lineari a due variabili passo dopo passo. 1/2x-3/4y=-2. Applicare la formula: a\frac{b}{c}=\frac{ba}{c}, dove a=x, b=1 e c=2. Applicare la formula: a\frac{b}{c}=\frac{ba}{c}, dove a=y, b=-3 e c=4. Applicare la formula: \frac{a}{b}+\frac{c}{f}=g\to \frac{a}{b}lcm\left(b,f\right)+\frac{c}{f}lcm\left(b,f\right)=glcm\left(b,f\right), dove a=x, b=2, c=-3y, a/b=\frac{x}{2}, f=4, g=-2, a/b+c/f=\frac{x}{2}+\frac{-3y}{4}, c/f=\frac{-3y}{4} e a/b+c/f=g=\frac{x}{2}+\frac{-3y}{4}=-2. Applicare la formula: m\frac{a}{b}+n\frac{c}{f}=g\to \frac{m}{b}a+\frac{n}{f}c=g, dove a=x, b=2, c=-3y, f=4, g=4\cdot -2, m=4, n=4, ma/b=4\left(\frac{x}{2}\right), a/b=\frac{x}{2}, ma/b+nc/f=4\left(\frac{x}{2}\right)+4\left(\frac{-3y}{4}\right), ma/b+nc/f=g=4\left(\frac{x}{2}\right)+4\left(\frac{-3y}{4}\right)=4\cdot -2, c/f=\frac{-3y}{4} e nc/f=4\left(\frac{-3y}{4}\right).