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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
Coordinate Plane & Graphing
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
$$5x-7y-2x-9y$$
Evaluate
$3x-16y$
Solution Steps
Combine $5x$ and $-2x$ to get $3x$.
$$3x-7y-9y$$
Combine $-7y$ and $-9y$ to get $-16y$.
$$3x-16y$$
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Differentiate w.r.t. x
$3$
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