Question

Resolva as seguintes equações:
12) 7x – 2 + 4 = 10 + 5x
13) 6x = 2x + 16
14) 2x – 5 = x + 1
15) 2x + 3 = x + 4
16) 4x – 10 = 2x + 2
17) 5x – 3 + x = 2x + 9
18) 17x – 7x = x + 18
19) x + x – 4 = 17 – 2x + 1
20) 5x + 4 = 3x – 2x + 4

Answer 1

posso ajuda vc......???