Question

a )3X + A sabendo que X = 5 e A = 2

b) 3 X - 2 Y ..X = 5 e Y = 2

c) 4 A + 2 B - C ..X = 5 e Y = 2

d) A - B + 3 C .. A = 1 B = 3 e C = 5

e) 7 A - 2 B ...A= 1 e B = 5

f) A B + C ...A= 2 B = 1 C =3

g) X Y + 3 X ...X= 3 Y= 2

h) A B C + 3 X ..A= 5 B= 2 C = 3

Answer 1

A) 3.5+2=17
B) 3.5-2.2= 26
entendeu ?

Answer 2

A) 3x+a 3.5+2=17 B)3x-2y 3.5-2=13 C)4a+2b 4.2+2.2=12 D)a-b+3c 1-3+3.5=13 E) 7a -2b 7.1-2.5= -3 F)ab+c 2.1+3=5 G)xy+3x 3.2+3.3=15 H)abc+3x 5.2.3+3x 30+3x x=30/3=10