Question

resolva as equações de 1 grau

Answer 1

a) 3b=b+6 (=) 3b-b=6 (=) 2b=6 (=) b=6/2 (=) b=3

b) x=2x+10 (=) x-2x=10 (=) -x=10 (=) x=-10

c) 2x=0 (=) x=0/2 (=) x=0

d) 6+2+4d=8 (=) 8+4d=8 (=) 4d=8-8 (=) 4d=0 (=) d=0/4 (=) d=0

e) d+3+4d=8 (=) d+4d=8-3 (=) 5d=5 (=) d=5/5 (=) d=1

f) Tem 2 incógnitas???

g) 2y+y-6=2 (=) 3y=6+2 (=) 3y=8 (=) y=8/3

h) 2k+8=k (=) 2k-k+8=0 (=) k-8=0 (=) k=8

i) h+3h+3=7+2h (=) 4h+3=7+2h (=) 4h-2h+3=7 (=) 2h=7-3 (=) 2h=4 (=) h=4/2 (=) h=4

j) g=2g+10 (=) g-2g=10 (=) -g=10 (=) g=-10

Se tiver alguma duvida comunique e bons estudos!!!!!