Question

resolva 2(x+5)-3.(x-5)=10​

Answer 1

$2(x + 5) - 3(x - 5) = 10 \\ \\ 2x + 10 - 3x + 15 = 10 \\ \\ 10 - 10 - 15 = - 15 \\ 2x - 3x \\ \\ \\ \frac{ - 1x}{ - 1} = \frac{ - 15}{ - 1} \\ \\ x = 15$