3 years ago

5y-4x=-7 what does x equal

Mathematics

1 answer:

harkovskaia [24]3 years ago

4 0

Answer:

$x = \frac{5y + 7}{4}$

Step-by-step explanation:

5y - 4x = - 7

5y - 4x + 4x = - 7 + 4x [adding + 4x on both sides ]

5y + 7 = - 7 + 7 + 4x [adding 7 on both sides , - 4x + 4x = 0 ]

5y + 7 = 4x [ -7 + 7 = 0 ]

$\frac{5y + 7}{4} = \frac{4x}{4}$ [ dividing by 4 on both sides ]

$x = \frac{5y + 7}{4}$

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