The equation is
Apply subtraction property of inequality: Subtract 7 from each side.
(Additive inverse property: )
(Subtract: )
Graph the solution set on a number line
Note: A dot means that this point is included in the solution set.
Check:
To check, substitute a number 5 and less than 5, in .
(Sustract:)
The inequality solution is .
"I want to tell you that our students did well on the math exam and showed a marked improvement that, in my estimation, reflected the professional development the faculty received from you. THANK YOU!!!" June Barnett |
"Your site is amazing! It helped me get through Algebra." Charles |
"My daughter uses it to supplement her Algebra 1 school work. She finds it very helpful." Dan Pease |