Afla valoarea a lui x din ecuatia 100(2x+1)+50(3x-1)=400

Răspuns :

100(2x+1)+50(3x-1)=400

200x+100+150x-50=400

350x+50=400

350x=400-50=350

x=1

100(2x+1)+50(3x-1)=400
200x+100+150x-50=400
350x+50=400
350x=400-50
350x=350
x=350:350
x=1