Question 575049
{{{10y+5=75}}}
{{{10y=75-5}}}
{{{10y=70}}}
{{{10y/10=70/10}}}
{{{cross(10)y/cross(10)=cross(70)/cross(10)}}}
{{{y=7}}}


Check
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{{{10y+5=75}}}
Put y=7
{{{10(7)+5=75}}}
{{{70+5=75}}}
{{{75=75}}}