Question 484317

{{{0.9(2x+8)=20-(x+5)}}}

{{{0.9*2x+0.9*8=20-x-5}}}

{{{1.8x+7.2=15-x}}}

{{{1.8x+x=15-7.2}}}

{{{2.8x=7.8}}}

{{{x=7.8/2.8}}}

{{{x=2.7857142857142857142857142857143}}}

{{{x=2.79}}}