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Basic Math
Arithmetic
Fractions & Decimals
Ratios & Proportions
Percentages
Basic Number Theory
Pre-Algebra
Integers & Absolute Values
Factors & Multiples
Prime Factorization
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Quadratic Equations
Polynomials & Factoring
Functions & Graphs
Systems of Equations
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Trigonometric Functions
Trigonometric Identities & Equations
Right Triangle Trigonometry
Unit Circle
Graphing 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
$$(-15)+(20)$$
Evaluate
$5$
Solution Steps
Add $-15$ and $20$ to get $5$.
$$5$$
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Factor
$5$
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