Question

RESOLVA:
70x-623-9x=1000-9x+5000-7x+1000

Answer 1

70x-623-9x=1000-9x+5000-7x+1000
70x+9x+7x=1000+5000+1000+623
86x=7623
x=7623/86
x=88

Answer 2

70x-9x= 7000+623-16x
61x+16x= 7623
77x= 7623
x= 7623/77
x=99
Espero que tenha entendido...