Question

resolva as equações A x+5=0 B 7x=28 C 11x+7=-6 D 3x+1=29 E 5+2x=1

Answer 1

A)X + 5 = 0
X = -5

B)7 X = 28
X = 28/4
X = 7

C)11 X + 7 = - 6
11 X = -6 - 7
11 X = -13
X = -13/11

D)3 X + 1 = 29
3 X = 29 - 1
3 X = 28
X = 28/3

E)5 + 2 X = 1
2 X = 1 - 5
2 X = - 4
X = -4/2
X = -2