Question

termen necunoscut

a×3=9 , a+3×a÷2×10=60​

Answer 1

Raspuns:

a×3=9 ; 3a=9 ; a=9 ; a+3×a÷1×10=60 ; a+3a×5=60 ; a+15a=60 ; 16a=60 ; a=15/4

Explicație pas cu pas:

Answer 2

a×3=9

a = 9 ÷ 3

a = 3

a+3×a÷2÷2×10=60

a+$\frac{3}{2} a$×10=60

a+3a×5=60

a+15a=60

16a=60

a=$\frac{15}{4}$