Question

Hãy giải phương trình bậc nhất 7-2x=22-3x

Answer 1

7-2x=22-3x

7-2x=22-3xcollecting like terms:

7-2x=22-3xcollecting like terms:-2x+3x=22-7

7-2x=22-3xcollecting like terms:-2x+3x=22-7 x=15

Answer 2

7-2x=22-3x

-2x=15-3x (minus 7 from both side)

x=15 ( plus 3x from both side)