Question

11 – Resolva as equações:
a) 3−7=2+5
b) 7+8=4−10
c) 4−15=−2+3
d) 2−4−8=4
e) 3=+1+7
f) 360+36=30
g) 2+5−5=−1
h) 5+6=5+2
i) +2−1−3=
j) −3+10=2+8+1
k) 3−2−2−3=0
l) 10−9+2=2−3
m) 4−4−5=−6+90
n) 2−3=−2+12−3

Answer 1

Resposta:

Explicação passo a passo:

Resposta:

a) x = 12

b) 3 x = 18

x = 6

c) 2 x = 18

x = 9

d) x = 10

e) 2 x = 8

x = 4

f) x = -60

g) 3 x = 4

h) x= 3

i) 3 x= 6

x=2

j) 3 x = 7