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Math / Algebra / Grade 7 / ml7by

Undo a Two-Step Equation - Practice 1

Undo addition or subtraction first, then multiplication or division.

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Undo addition or subtraction first, then multiplication or division. Perform the same operation on both sides to preserve equality.

Worked example

3x + 4 = 19 becomes 3x = 15, so x = 5. Check: 3 x 5 + 4 = 19.

3x + 4 = 19 becomes 3x = 15, so x = 5. Check: 3 x 5 + 4 = 19.
Worked model: 3x + 4 = 19 becomes 3x = 15, so x = 5. Check: 3 x 5 + 4 = 19.
Question 1 Solve 4x + 7 = -5. What is x?
Question 2 Solve 4x + 7 = -1. What is x?
Question 3 Solve 4x + 7 = 3. What is x?
Question 4 Solve 4x + 7 = 7. What is x?
Question 5 Solve 4x + 7 = 11. What is x?