Question 1112245

{{{-2x + 10 + 4x = 70}}}

{{{ 10 + (4x-2x)  = 70}}}

{{{ 10 + 2x  = 70}}}

{{{ 10 -10+ 2x  = 70-10}}}

{{{ 2x  = 60}}}

{{{ 2x/2  = 60/2}}}

{{{ x  = 30}}}