Question

(11)a) 2(4x – 5) +3(x+2)= 5(2x-6);
b) 4(x + 5)-3(x - 4) = 7(x+2)+6;
c) 5(x+2) -6(x - 3) = 4(x-2)+1;
d) 4(x+1) - 5(x - 2) = 3(x+3) – 3 ;
c) 6(x+3)+7(x - 4) = 5(x + 5) +13;
f) 8(x-4)-3(x+2) -2(2x - 3) = 4x +7
g) 4x + 3(x+4)= 5(x - 1)-6(x+3)+11
) 3(2x - 6)+4(x - 7) = 4(3x+12) -84:​

Answer 1

Răspuns:

a) 8x-10+3x+6=10x-30

8x+3x-10x=-30+10-6

x=-26