Question

a)x+5=12
b)y+9=3
c)x-12=15
d)y+5= -4
e)2x=8
me ajudem por favor valendo 20 pontos

Answer 1

a)
x + 5 = 12
x = 12 - 5
x = 7

b)
y + 9 = 3
y = 3 - 9
y = -6

c)
x - 12 = 15
x = 15 + 12
x = 27

d)
y + 5 = -4
y = -4 - 5
y = -9

e)
2x = 8
x = 8/2
x = 4

Answer 2

a)x=12-5
x=7
b)y+9=3
y=3-9
y=-6
c)x-12=15
x=15+12
x=27
d)y+5=-4
y=-4-5
y=-9
e)2x=8
x=8/2
x=4