Question

решите уравниение)
2(n-3)-4(5-2n)=-5(4n+7)

Answer 1

2(n-3)-4(5-2n)=-5(4n+7)
2n-6-20+8n=-20n-35
10n+20n=-35+26
30n=-9
n=-9/30
n=-3/10