- Recognize the concept of variables and use them in a math expression. The first one is used to write formulas that are part of a text. Similarly when we describe an expression in words that includes a variable were describing an algebraic expression an expression with a variable.
So the sum-- so were going to have an addition here-- of negative 7 and the quantity 8 times x.
- Write simple algebraic expressions by interpreting math phrases. Click the icons in the Structures section of the Ribbon to create more advanced expressions such as radicals fractions exponents or other operators. So this first statement they say the sum of negative 7 and the quantity 8 times x. Then find Ink Equation button at the left side of the Equation Tools Design tab to invoke the handwriting window.