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Basic Math
Arithmetic
Fractions & Decimals
Ratios & Proportions
Percentages
Basic Number Theory
Pre-Algebra
Integers & Absolute Values
Factors & Multiples
Prime Factorization
Basic Equations & Inequalities
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Algebra
Linear Equations & Inequalities
Quadratic Equations
Polynomials & Factoring
Functions & Graphs
Systems of Equations
Trigonometry
Trigonometric Functions
Trigonometric Identities & Equations
Right Triangle Trigonometry
Unit Circle
Graphing Trigonometric Functions
Calculus
Limits & Continuity
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$3x+y+5-x-2y-8z$$
Evaluate
$2x-y-8z+5$
Solution Steps
Combine $3x$ and $-x$ to get $2x$.
$$2x+y+5-2y-8z$$
Combine $y$ and $-2y$ to get $-y$.
$$2x-y+5-8z$$
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Differentiate w.r.t. x
$2$
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