Matematică
robyrobert200
2017-03-01 08:29:00
2/5*x-1/2=1/10 help!!!
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razvanmarinesc
2017-03-01 11:39:04

2/5*x-1/2=1/10 l *10 4x-5=1 4x=6 x=6/4 x=3/2

Denisast23
2017-03-01 11:40:19

1)Simplify 2/5 x to 2x/5 2x/5-1/2-1/10 2) Add 1/2 to both sides 2x/5=1/10+1/2 3)Simplify 1/10 +1/2 to 3/5 2x/5-3/5 4) Multiply both sides by 5 2x=3/5*5 5)Simplify 3/5*5 to 15/5 2x-15/5 6) Simplify 15/5 to 3 2x-3 7)Divide both sides by 2 x=3/2 I hope I helped you!!!

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