x=5 when does an equation have zero solutions when there are two different values on each side of the equal sign 2x+1=5 how do you get rid of a variable on one side of the equation? do the opposite operation on both sides that cancels it out on the desired side inverse of multiplication divisionĪ+(-a)=0 when does an algebraic equation have only one solution? if there is one number equaling a variable
2x+2 what happens when you divide by 0? undefined what is a true equation? expression on both sides of equal sign are equal algebraic equation an expression with one or more variables 4a+8=2(2a+4) what is a linear equation? algebraic expression where the highest power is 0
What can you do to terms with the same variable in an equation? combine themġx+3y what should you do to parenthesis before combining like terms distribute the parenthesis properlyĦx^2+48x what is an equivalent expression? expressions that represent the same value
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