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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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Quadratic Equations
Polynomials & Factoring
Functions & Graphs
Systems of Equations
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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
$$(+13)+(+18)+(+8)$$
Evaluate
$39$
Solution Steps
Add $13$ and $18$ to get $31$.
$$31+8$$
Add $31$ and $8$ to get $39$.
$$39$$
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Factor
$3\times 13$
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