Question

7-2×=4+×

5x-6=3-4×

9-3×=5+4×

7×+10=6×-5

-3×+8=5×+16

Answer 1

Resposta:

-2x-x=4-7

-3x=-3

x=-3/3

x=-1

5x+4x=3+6

9x=9

x=9/-9

x=1

-3x-4x=5-9

-7x=-4

x=-4/7

7x-6x=-5-10

x=-15

-3x-5x=16-8

-8x=8

x=8/8

x=1