Solve for z
z>\frac{27}{10}
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\frac{z}{1.8}>4-2.5
Subtract 2.5 from both sides.
\frac{z}{1.8}>1.5
Subtract 2.5 from 4 to get 1.5.
z>1.5\times 1.8
Multiply both sides by 1.8. Since 1.8 is positive, the inequality direction remains the same.
z>2.7
Multiply 1.5 and 1.8 to get 2.7.
Examples
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Matrix
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Simultaneous equation
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Integration
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Limits
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