Solve for x
x>15
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5x>68+7
Add 7 to both sides.
5x>75
Add 68 and 7 to get 75.
x>\frac{75}{5}
Divide both sides by 5. Since 5 is positive, the inequality direction remains the same.
x>15
Divide 75 by 5 to get 15.
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Matrix
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