2 step equations - no negatives

What does 'double a number' mean in algebra?

• It means to add the number to itself.

• It means to multiply the number by 2.

• It means to subtract the number from itself.

• It means to divide the number by 2.

How do you write an equation for 'twice a number, w, increased by 5 is 30'?

• 2w + 5 = 30

• w + 5 = 30

• 2w - 5 = 30

• 2w + 5 = 25

What does 'increased by' indicate in an equation?

• It indicates subtraction from the variable or number.

• It indicates multiplication of the variable or number.

• It indicates addition to the variable or number.

• It indicates division of the variable or number.

What is the second step to solve the equation 2x + 5 = 30 after subtracting 5?

• Multiply both sides by 2.

• Divide both sides by 2.

• Add 5 to both sides.

• Subtract 2 from both sides.

What is a two-step equation?

• A two-step equation is an algebraic equation that requires two operations to solve for the variable.

• A two-step equation is an equation that can be solved in one step.

• A two-step equation is a type of equation that has only one variable.

• A two-step equation is an equation that requires three operations to solve for the variable.

How do you represent 'a number decreased by 29' in algebra?

• x + 29

• x - 29

• 29 - x

• x / 29

What does 'is' represent in an equation?

• It represents a variable in the equation.

• It represents an operation such as addition.

• It represents equality, often denoted by the '=' sign.

• It represents a constant value.

What does it mean to isolate a variable in an equation?

• Isolating a variable means rearranging the equation so that the variable is on one side and all other terms are on the other side.

• Isolating a variable means finding the value of the variable without any calculations.

• Isolating a variable means eliminating the variable from the equation entirely.

• Isolating a variable means substituting the variable with a constant value.

What is the solution to the equation 2x - 29 = 7?

• x = 15

• x = 16

• x = 18

• x = 20

What is the first step to solve the equation 2x - 29 = 7?

• Add 29 to both sides of the equation.

• Subtract 29 from both sides of the equation.

• Multiply both sides by 2.

• Divide both sides by 2.