Expressions, Substitution, Equations

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operations (like addition or multiplication) that represents a value.

Front

What does it mean to substitute a variable?

Back

Substituting a variable means replacing it with a specific value to evaluate the expression or equation.

Front

What is an equation?

Back

An equation is a mathematical sentence showing that two expressions are equal, typically containing an equal sign.

Front

What is the solution of an equation?

Back

The solution of an equation is the value of the variable that makes the equation true.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

What is the inverse operation of subtraction?

Back

The inverse operation of subtraction is addition.

Front

What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.

Front

What is the inverse operation of division?

Back

The inverse operation of division is multiplication.

Front

If 5 + g = 6, what is g?

Back

g = 1.

Front

If 4g = 24, what is g?

Back

g = 6.