Add and Subtract Equations with a Variable

What is the correct step to solve for the variable?

m - 5 = 15

• add 15 to both sides

• add 5 to both sides

• subtract 15 from both sides

• subtract 5 from both sides

Tags

CCSS.6.EE.B.7

What is the correct step to solve for the variable ?

• subtract 7 from both sides.

• add 7 to both sides.

• multiply both sides by 7

• divide both sides by 7

Tags

CCSS.HSA.REI.A.1

What is the correct step to solve for the variable ?

• add 62 to each side.

• subtract 62 from each side.

• multiply each side by 62.

• divide each side by 123

Tags

CCSS.HSA.REI.A.1

What is the correct step to solve for the variable?

• add 25 to both sides

• subtract 25 to both sides

• divide 25 on both sides

• multiply 25 on both sides

Tags

CCSS.HSA.REI.A.1

What is the correct step to solve for the variable ?

x + 11 = 44

• add 11 to both sides

• subtract 11 from both sides

• divide 11 to both sides

• multiply 11 to both sides

Tags

CCSS.6.EE.B.7

What equation matches this story ?

Robyn had some video games then bought 4 more. Now she has a total of 10 games.

• v - 4 = 10

• v + 4 = 10

• 10 - 4 = v

• Answer not Given

Tags

CCSS.HSA.CED.A.3

An equation is?

• a problem that contains variables, numbers and operations but no equal sign

• a problem showing two expressions are equal

• The solution for a variable

• The value that results in a true sentence

Tags

CCSS.6.EE.A.2C

What branch of mathematics deals with equations with variables?

• Algebra

• Geometry

• Calculus

• Physics

What is the first step in solving the equation 2y - 11 = 25

• Subtract 11 from 25

• Add 11 to 25

• Divide 25 by 2

• Multiply 25 by 2

Tags

CCSS.7.EE.B.4A

To eliminate a variable in the system, should you add the equations or subtract the equations?

• Add

• Subtract

• Neither

Answer explanation

We want to add the equations together in order to eliminate one of the variables. We have opposite terms (3x and -3x) that will "cancel/zero out" (be eliminated) when we add the equations together.

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6