Test 6 calc section number 35

Remember that at the x-intercept, y = 0. Therefore, all you need to do to find the x-intercept is substitute 0 for y and solve!

    \begin{align*}\dfrac{4}{5}x+\dfrac{1}{3}y&=1\\\dfrac{4}{5}x+\dfrac{1}{3}(0)&=1\\\dfrac{4}{5}x&=1\\4x&=5\\x&=\dfrac{5}{4}\end{align*}

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