Question

resolva as equações
a 12×-10=5×+11


b 7×+5=68-2×


c 14-3×=2×+29

d 8 ×-9=2×+11​

Answer 1

a) 12x-11x=11+10

x=21

b) 7x+2x=68-5

9x=63

x=63/9

x=7

c) -3x-2x=29-14

-5x=15

x=15/-5

x=-3

d)8x-2x=11+9

6x=20

x=20/6