Question

solve by substitution
7+2y/5 - y =8​

Answer 1

Answer:

solution

$7 + \frac{2y}{5} - y = 8 \\ 7 + \frac{2y - 5y}{5} = 8 \\ \frac{35 - 3y}{5} = 8 \\ 35 - 3y = 5 \times 8 \\ 35 - 3y = 40 \\ 35 - 40 = - 3y \\ - 5 = - 3y \\ y = \frac{ - 5}{ - 3} \\ y = \frac{5}{3}$

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