Solve the equation using algebra tiles. Explain your reasoning.
x-3=-5
Solve using algebra tiles
We have,
So, using the algebra tiles
Hence, the value of x is -2.
6+x=4
Write the inequality modeled by the algebra tiles. Then solve the inequality using algebra tiles. Check your answer using properties of inequality.
Work with a partner. Use mental math to solve each equation. How many solutions are there for each equation? Explain your reasoning.
x3=8
Your friend solves the equation x+8=-10. Is your friend correct? Explain your reasoning.