12-2 Multi-Step Equations

Combine ALL like terms.

 $3\ +\ 4m\ +5\ +\ m\ =\ 23$ 

• 3 + 4m + 5 = 23

• 5m + 8 = 23

• 4m + 8 = 23

• 3 + 5m + 8 = 23

Simplify and solve for m.

 $3\ +\ 4m\ +5\ +\ m\ =\ 23$ 

Combine ALL Like Terms in this equation.

 $60\ =\ 2n\ +12\ +\ 4n$ 

• 60 = 18n

• 60 = 6n

• 60 = 2n + 4n + 12

• 60 = 6n + 12

Use the distributive property, combine like terms and simplify to find t.

 $3\left(t\ +3\right)\ +\ 7\ =\ 49$ 

Use the distributive property, combine like terms and simplify to find d.

 $-5\left(3d\ +2\right)\ +\ 10=\ -15$