Question

qual a resposta dessas equações y + 5 = -4

2x= 8

3x= -12

3x = 10

Answer 1

y + 5 = -4 Y=-4-5 Y=-9 2x= 8 X=8/2 X=4 3x= -12 X=-12/3 x=-4 3x = 10 x=10/3

Answer 2

a) y + 5 = -4 => y = -5 - 4 => y = -9

b) 2x = 8 => x = 8/2 => x = 4

c) 3x = -12 => x = -12/3 => x = -4

d) 3x = 10 => x = 10/3