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Sa se rezolve în N ecuatia:{[4+3×(x+1)]÷2-3}÷5+7=8

Răspuns :

{[4+3×(x+1)]÷2-3}÷5+7=8
{[4+3×(x+1)]÷2-3}÷5=8 -7
{[4+3×(x+1)]÷2-3}÷5=1
[4+3×(x+1)]÷2-3=5
[4+3×(x+1)]÷2=5+3
[4+3×(x+1)]÷2=8
4+3×(x+1)=16
3×(x+1)=16-4
3×(x+1)=12
x+1=12:3
x+1=4
x=4-1
x=3
{[4+3×(x+1)]÷2-3}÷5+7=8 
{[4+3×(x+1)]÷2-3}÷5=1
[4+3×(x+1)]÷2-3=5
[4+3×(x+1)]÷2=8
4+3×(x+1)=16
3×(x+1)=12
x+1=12:3
x+1=4
x=4-1
x=3