One Step Equations Part 1

What is the fundamental rule for keeping an equation balanced when performing an operation on one side?

• Perform the inverse operation on the same side.

• Perform the same operation on the other side.

• Perform the inverse operation on the other side.

• Perform the same operation on both sides.

What is the value of x in the equation x + 7 = 15?

• 8

• 22

• 7

• 15

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What is the value of x in the equation 40 = 25 + x?

• 15

• 65

• 25

• 40

What is the value of x in the equation x - 5 = 16?

• 11

• 21

• 5

• 16

What is the value of x in the equation 12 - x = 5?

• 7

• 17

• -7

• -17