Solve each of these equations. Explain or show your reasoning.
Solve each equation and check your solution.
Elena said the equation \(9x+15=3x+15\) has no solutions because \(9x\) is greater than \(3x\). Do you agree with Elena? Explain your reasoning.
Which of the changes would keep the hanger in balance?
Select all that apply.
Adding two circles on the left and a square on the right
Adding 2 triangles to each side
Adding two circles on the right and a square on the left
Adding a circle on the left and a square on the right
Adding a triangle on the left and a square on the right
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