Solving equations - Algebra

Algebra
Tutor: None Selected Time limit: 1 Day

1) Solve 0=(1/3)x-2

2)Solve the equation 3x+7=3x+1

3)x=20-75x

Nov 22nd, 2014

1)

1/3 * x =2

x/3 =2

x =2*3 =6

x=6

2)

3x+7 =3x+1

3x-3x = 1-7

0 = -6 which is absurd : no solution exists

3) x =20-75x

x+75x =20

76x =20

x =20/76 =5/19

x= 5/19

Nov 22nd, 2014

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Nov 22nd, 2014
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Nov 22nd, 2014
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