Add Subtract Variables

Simplify

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What is the first step to solve this equation?
3x - 5 = 7

• Add 5 to both sides of the equation

• Add 3x to both sides of the equation

• Subtract 5 from both sides of the equation

• Subtract 7 from both sides of the equation

Tags

CCSS.7.EE.B.4A

-15 + 3x - 7x = -43

x = ?

(Just type the number)

Tags

CCSS.8.EE.C.7B

What is the inverse operation of addition?

• Division

• Multiplication

• Addition

• Subtraction

Tags

CCSS.2.NBT.B.5

20 = 2 - a

a = ?

(Just type the number)

Tags

CCSS.6.EE.A.2C

A mathematical phrase that can contain ordinary numbers, variables (like x or y) and operators (like add,subtract,multiply, and divide). It does NOT contain an equal sign.

• Equation

• Expression

• Exponent

• Evaluate

Tags

CCSS.6.EE.A.2B

Translate this phrase into an algebraic expression.
8 less than the product of 4 and a number
Use the variable m to represent the unknown number.

• 8 - 4m

• 8m - 4

• 8m + 4

• 4m - 8

Tags

CCSS.6.EE.A.2A

Translate: five more than a number

• 5 + n

• n + 5

• n - 5

• 5n

Tags

CCSS.6.EE.A.2A

Translate: ten added to a number

• 10 - n

• 10n

• n + 10

• 10 + n

Tags

CCSS.6.EE.A.2A

Translate: the sum of a number and three

• 3 -n

• (n + 3)

• 3n

• 3 + n

Tags

CCSS.6.EE.A.2A