Question

x-2 3 - x + 1 4 = 4 ||||||||| 2x -3 4 -2 -x 3 = x -1 3 me ajudem obg

Answer 1

a) x-23-x+14=4
x-x=4-14+23
( corta e corta ) = 10+23
33

b) 2x-34-2-3x=x-13
2x-3x-x=-13+34+2
x-x= -21+2
( corta e corta ) = 19