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Basic Math
Arithmetic
Fractions & Decimals
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Percentages
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Pre-Algebra
Integers & Absolute Values
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Trigonometric Functions
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$-5Y+X+6Y-8X$$
Evaluate
$Y-7X$
Solution Steps
Combine $-5Y$ and $6Y$ to get $Y$.
$$Y+X-8X$$
Combine $X$ and $-8X$ to get $-7X$.
$$Y-7X$$
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Differentiate w.r.t. Y
$1$
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