Solving for Unknown K

Using the "opposite operation" to "undo" and isolate the variable when solving an equation is more commonly called...

• Inverse operations

• math

• variable

• PEMDAS

Tags

CCSS.7.EE.B.4A

What is the solution of 25 + k = 18

• 18

• -7

• 43

• 7

Tags

CCSS.6.EE.B.7

When solving an equation for an unknown variable we use...

• guessing.

• inverse operations.

• always multiply.

• plug in two.

Tags

CCSS.HSA.REI.A.1

Solve for k.... 31 - 3k = 10

• k = 10

• k = -10

• k = -7

• k = 7

Tags

CCSS.7.EE.B.4A

What branch of mathematics deals with equations with variables?

• Algebra

• Geometry

• Calculus

• Physics

• k = -5

• k = -3

• k = -1

• k = 1

Tags

CCSS.7.EE.B.4A

Determine the unknown number: 5 + ____ = -9

• 4

• 14

• -14

• -4

Tags

CCSS.7.NS.A.1B