Solve for z 4z-6.9>6.5+2z

Math
4z-6.9>6.5+2z
Move all terms containing z to the left side of the inequality.
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Subtract 2z from both sides of the inequality.
4z-6.9-2z>6.5
Subtract 2z from 4z.
2z-6.9>6.5
2z-6.9>6.5
Move all terms not containing z to the right side of the inequality.
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Add 6.9 to both sides of the inequality.
2z>6.5+6.9
Add 6.5 and 6.9.
2z>13.4
2z>13.4
Divide each term by 2 and simplify.
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Divide each term in 2z>13.4 by 2.
2z2>13.42
Cancel the common factor of 2.
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Cancel the common factor.
2z2>13.42
Divide z by 1.
z>13.42
z>13.42
Divide 13.4 by 2.
z>6.7
z>6.7
The result can be shown in multiple forms.
Inequality Form:
z>6.7
Interval Notation:
(6.7,∞)
Solve for z 4z-6.9>6.5+2z

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