Solving Two-Step Equations Effectively

What is the primary goal when solving two-step equations?

• To get the variable by itself

• To eliminate all fractions

• To make both sides equal zero

• To simplify the equation to one step

Tags

CCSS.7.EE.B.4A

Why is it generally better to eliminate addition or subtraction first in two-step equations?

• It simplifies the multiplication

• It makes the equation more complex

• It avoids creating fractions

• It is always the first step in any equation

Tags

CCSS.7.EE.B.4A

In the example where 6x + 9 = 39, what is the first step to isolate x?

• Multiply both sides by 6

• Add 9 to both sides

• Subtract 9 from both sides

• Divide both sides by 6

Tags

CCSS.7.EE.B.4A

What is the value of x in the equation 18x = 0?

• 1

• 0

• 18

• -18

Tags

CCSS.6.EE.B.7

When solving -t = -1, what is the value of t?

• 0

• 2

• 1

• -1

Tags

CCSS.6.EE.B.7

In the equation c/5 + 2 = 7, what is the first step to isolate c?

• Multiply both sides by 5

• Subtract 2 from both sides

• Add 2 to both sides

• Divide both sides by 5

Tags

CCSS.7.EE.B.4A

How do you eliminate a fraction in an equation like x/3 = 4?

• Add the reciprocal of the fraction

• Divide by the fraction

• Subtract the fraction

• Multiply by the reciprocal of the fraction

Tags

CCSS.6.EE.B.7

What is the result of solving the equation 5x + 30 = 25?

• x = 1

• x = -1

• x = -5

• x = 5

Tags

CCSS.7.EE.B.4A

In the equation (x - 3)/4 = 8, what is the value of x?

• 35

• 28

• 30

• 32

Tags

CCSS.7.EE.B.4A

Which method can be used to solve 5(x + 6) = 30?

• Divide by 5 first

• Add 6 first

• Subtract 6 first

• Distribute the 5 first

Tags

CCSS.HSA.REI.A.1