Question

Resolva as equações
a)x30 = 40 ?
b)30-20+2x-10 ?
c)3x-10+13=-2x=10 ?
d)20x-30=40+30-20 ?
e)-5x+45-89=-90+41 ?
f)10x-20=40+50 ?
g)20-80+2x=10 ?
h)19+2x=13=10-20 ?
i)10x-12+10=+18-20 ?
J)13x-23-45=-7x+12 ?

Com os calculos por favor..

Answer 1

A- x = 4/3
B- 2x
C- x = -5
D- x = 4
E- x = 1
F- x = 11
G- x = 35
H-
I- x = 0
J- x = 4