Question

 me ajudem nessas duas questoes  ;a. 7x-3<2.(3x+5) b. 3.(x-9)+5>2.(x-1)

Answer 1

a) 7x-3 < 2(3x+5)
7x-3 < 6x+10
7x-6x < 10+3
x < 13
b) 3(x-9)+5 > 2(x-1)
3x-27+5 > 2x-2
3x-2x > -2-5+27
x > -7+27
x > 20

Answer 2

a) 7x - 3 < 6x + 10
7x - 6x < 10 + 3
x < 13

b) 3x - 27 + 5 > 2x -2
3x - 22 > 2x - 2
3x - 2x > -2 + 22
x > 20