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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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Polynomials & Factoring
Functions & Graphs
Systems of Equations
Trigonometry
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
$$3\times(20\div4)$$
Evaluate
$15$
Solution Steps
Divide $20$ by $4$ to get $5$.
$$3\times 5$$
Multiply $3$ and $5$ to get $15$.
$$15$$
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Factor
$3\times 5$
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