Question

Stiindcca a+b=6 determinatic numarul x din 4•a+3•x+4•b=66

Answer 1

4a+3x+4=66 4(a+b) +3x =66 24 +3x= 66  3x=42 x=$\frac{42}{3} =14$

Answer 2

4(a+b)+3*x=66
4*6+3*x=66
24+3*x=66
3*x=42
x=14
,,*"inseamna ori