Expressions Math Example 3

Follow the full solution, then compare it with the other examples linked below.

Example 3

easy
Simplify 5y+2−3y+75y + 2 - 3y + 7.

Solution

  1. 1
    Combine like terms: 5y−3y=2y5y - 3y = 2y and 2+7=92 + 7 = 9.
  2. 2
    Result: 2y+92y + 9.

Answer

2y+92y + 9
Group terms with the same variable together and group constants together, then combine each group.

About Expressions

A combination of numbers, variables, and operations (like addition, subtraction, multiplication, division) that represents a mathematical quantity. Unlike equations, expressions do not contain an equals sign and cannot be solved — they can only be simplified or evaluated.

Learn more about Expressions →

More Expressions Examples

Example 1 easy

Simplify the expression [formula].

Example 2 medium

Evaluate [formula] when [formula].

Example 4 medium

Write an algebraic expression for: 'triple a number, then subtract 4.'

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