Question 1198676


the difference between {{{18}}} and seven times a number is :{{{18-7x}}}

one more than the difference:{{{18-7x+1=19-7x}}}

all that is {{{-9}}}: {{{19-7x=-9}}}

{{{19-7x=-9}}}.......solve for {{{x}}}

{{{19+9=7x}}}

{{{28=7x}}}

{{{28/7=x}}}

{{{x=4}}}