Question

Ex 5 pls :())))))))))))))

Answer 1

Răspuns:

a) 3x-24=-99 <=> 3x=-99+24 <=> 3x= -75 <=> x=-75÷3 <=> x=-25

b)5x-15=2x-60 <=> 5x-2x=-60+15 <=> 3x=-45 <=> x=-45÷3 <=> x=-15

c) 6x+24=2x-40 <=> 6x-2x=-40-24 <=> 4x=-64 <=> x=-64÷4 <=> x=-16

d) -8x-11= -5x+37 <=> -8x+5x=37+11 <=> -3x=48 <=> x=48÷(-3) <=> x=16

e) -36-4x=-x-18 <=> -4x+x=-18+36 <=> -3x=18 <=> x=18÷(-3) <=> x=-6

f) -5x+24=-2x+36 <=> -5x+2x=36-24 <=> -3x=12 <=> x=12÷(-3) <=> x=-4

g) 7x-38=5x-24 <=> 7x-5x=-24+38 <=> 2x=14 <=> x=14÷2 <=> x=7

h) -4x-48=+15-x <=> -4x+x=15+48 <=> -3x=63 <=> x=63÷(-3) <=> x=-21

sper că te-am ajutat :))