Question

Questão 3 Resolva as Equaçoes
a) x - 5 = 8
b) 4x + 6 =2x + 12
c) 3y + 5 = 14
d) 7c + 2 = - 9

Answer 1

a) x - 5 = 8
x = 8+5
X=13
13÷1
X=13

b)4x -2x = 12-6
2x=6
6÷2
x=3


C) 3y = 14-5
3y = 9
9÷3
y=3

D)7c = -9 -2
7c = -11
C=11\7