Solving Two-Step Equations with Negative Rational Numbers

What is the first step in solving a two-step equation according to SADMAP?

• Undo multiplication or division

• Undo addition or subtraction

• Simplify the equation

• Combine like terms

Tags

CCSS.HSA.REI.A.1

In the equation -3x + 5 = 2, what operation should be performed first?

• Multiply both sides by -3

• Divide both sides by -3

• Subtract 5 from both sides

• Add 5 to both sides

Tags

CCSS.7.EE.B.4A

After subtracting 5 from both sides in the equation -3x + 5 = 2, what is the resulting equation?

• -3x = 7

• -3x = -3

• 3x = -3

• 3x = 7

Tags

CCSS.7.EE.B.4A

When solving the equation x/8 - 1/2 = -7/2, what is the first step using the SADMAP method?

• Subtract 1/2 from both sides

• Divide both sides by 8

• Add 1/2 to both sides

• Multiply both sides by 8

Tags

CCSS.7.EE.B.4A

What is the result of adding 1/2 to both sides in the equation x/8 - 1/2 = -7/2?

• x/8 = -6

• x/8 = -5

• x/8 = -3

• x/8 = -4

Tags

CCSS.8.EE.C.7B

What is the least common denominator used to eliminate fractions in the equation x/8 - 1/2 = -7/2?

• 6

• 4

• 8

• 2

Tags

CCSS.8.EE.C.7A

In the equation 3y - 8y = 25, what is the simplified form of the left side?

• -5y

• 11y

• 5y

• -11y

Tags

CCSS.6.EE.B.7

What is the value of y in the equation -5y = 25?

• -5

• 5

• -25

• 25

Tags

CCSS.8.EE.C.7B

What is the first step in solving the equation 2(1 - 5x) + 4 = -8?

• Subtract 4 from both sides

• Divide both sides by 2

• Combine like terms

• Distribute the 2

Tags

CCSS.7.EE.B.4A

What is the length of the yard if the perimeter is 500 feet and the width is 100 feet?

• 250 feet

• 200 feet

• 150 feet

• 100 feet

Tags

CCSS.7.EE.B.4A