Final answer to the problem
$y=\frac{13-7x}{4}$
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Step-by-step Solution
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1
Apply the formula: $x+a=b$$\to x=b-a$, where $a=7x$, $b=13$, $x+a=b=7x+4y=13$, $x=4y$ and $x+a=7x+4y$
$4y=13-7x$
Learn how to solve equazioni lineari a due variabili problems step by step online.
$4y=13-7x$
Learn how to solve equazioni lineari a due variabili problems step by step online. 7x+4y=13. Apply the formula: x+a=b\to x=b-a, where a=7x, b=13, x+a=b=7x+4y=13, x=4y and x+a=7x+4y. Apply the formula: ax=b\to \frac{ax}{a}=\frac{b}{a}, where a=4, b=13-7x and x=y. Apply the formula: \frac{a}{a}=1, where a=4 and a/a=\frac{4y}{4}.
Final answer to the problem
$y=\frac{13-7x}{4}$
