Explicación paso a paso:
a)3.(x+2)=15
x+2=5
x=5-2
x=3
b)(x-2)÷5=3
x-2sobre5=3
x-2=15
x=15+2
x=17
c)2.(x-1)=16
x-1=8
x=8+1
x=9
d)4.(x-1)=8
x-1=3
x=2+1
e)(x-1)÷3=4
x-1sobre3=4
x-1=12
x=12+1
×=13
f)(x+5)÷4=5
x+5sobre4=5
x+5=20
x=20-5
x=15
g)(x+1)÷2=6
x+1sobre2=6
x+1=12
x=12-1
x=11
h)5(x+1)=20
x+1=4
x=4-1
hay estan suerte y animo
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Verified answer
Explicación paso a paso:
a)3.(x+2)=15
x+2=5
x=5-2
x=3
b)(x-2)÷5=3
x-2sobre5=3
x-2=15
x=15+2
x=17
c)2.(x-1)=16
x-1=8
x=8+1
x=9
d)4.(x-1)=8
x-1=3
x=2+1
x=3
e)(x-1)÷3=4
x-1sobre3=4
x-1=12
x=12+1
×=13
f)(x+5)÷4=5
x+5sobre4=5
x+5=20
x=20-5
x=15
g)(x+1)÷2=6
x+1sobre2=6
x+1=12
x=12-1
x=11
h)5(x+1)=20
x+1=4
x=4-1
x=3
hay estan suerte y animo