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How to Calculate an Expression. When we are calculating the value of an expression, we work out the value of the expression when we give a value to the variable. Examples. p + 5 has a value of 11 when p = 6 because 6 + 5 = 11. 4 - q has a value of 1 ½ when q = 2 ½ because 4 - 2 ½ = 1 ½.
6th Grade Math - Understand concepts of ratio and rate, division of fractions, rational numbers, interpreting and using expressions and equations, statistical thinking.
Learn sixth grade math—ratios, exponents, long division, negative numbers, geometry, statistics, and more. (aligned with Common Core standards)
QuickMath will automatically answer the most common problems in algebra, equations and calculus faced by high-school and college students. The algebra section allows you to expand, factor or simplify virtually any expression you choose.
Learn ways that we can change an expression's value (such as by changing the values of its variables) or keep the value the same (such as with the distributive property). A variable is a symbol that represents a value, often one that changes, like how long you've been awake.
Enter the expression you want to evaluate. The Math Calculator will evaluate your problem down to a final solution. You can also add, subtraction, multiply, and divide and complete any arithmetic you need.
To solve an algebraic expression, simplify the expression by combining like terms, isolate the variable on one side of the equation by using inverse operations. Then, solve the equation by finding the value of the variable that makes the equation true.
