a) 3.(x+1)-32=67
b)6.(3x-1)+11=59
c)70-5.(x-3)=45
d)219-7(x+1)=100
e)(3x-6).3=81
y)96-3(x+1)=42
Nhờ mn giải giúp e em cảm ơn ạ!
a) 3.(x+1)-32=67
b)6.(3x-1)+11=59
c)70-5.(x-3)=45
d)219-7(x+1)=100
e)(3x-6).3=81
y)96-3(x+1)=42
Nhờ mn giải giúp e em cảm ơn ạ!
${a,3.(x+1)-32=67}$
${3.(x+1)=67+32}$
${3.(x+1)=99}$
${x+1=99:3}$
${x+1=33}$
${x=33-1}$
${x=32}$
${b,6.(3x-1)+11=59}$
${6.(3x-1)=59-11}$
${6.(3x-1)=48}$
${3x-1=48:6}$
${3x-1=8}$
${3x=8+1}$
${3x=9}$
${x=9:3}$
${x=3}$
${c,70-5.(x-3)=45}$
${5.(x-3)=70-45}$
${5.(x-3)=25}$
${x-3=25:5}$
${x-3=5}$
${x=5+3}$
${x=8}$
${d,219-7(x+1)=100}$
${7(x+1)=219-100}$
${7(x+1)=119}$
${x+1=119:7}$
${x+1=17}$
${x=17-1}$
${x=16}$
${e,(3x-6).3=81}$
${3x-6=81:3}$
${3x-6=27}$
${3x=27+6}$
${3x=33}$
${x=33:3}$
${x=11}$
${y,96-3(x+1)=42}$
${3(x+1)=96-42}$
${3(x+1)=54}$
${x+1=54:3}$
${x+1=18}$
${x=18-1}$
${x=17}$