√2х+10+√3х+5=√2х+20+√5х+5
(2х+10+√3х+5)^2=(√2х+20+√5х+5)^2
2х+10+3х+5=2х+20+5х+5
5х+15=7х+25
5х+15-7х-25=0
-2х-10=0
-2х=10
Х=10/-2
Х=-5
Проверка:
√2×(-5)+10+√3×(-5)+5=√2×(-5)+20+√5×(-5)+5
√-10+10+√-15+5=√-10+20+√-25+5
√-10+10-15+5=√-10+20-25+5
√-10=√-10