Question

A) 2×+5=27 B)4×-8=2×+2×+6 C)6×+1=6×+6 D)5×-3=2×-9 resposta

Answer 1

5x-2x=+3-9
5x-2x=-5
3x=-5
X=-5/3

6x-6x=-1+6
6x-6x=5
0x=5
X=5/0

2x=-5+27
2x=22
X=22/2