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Middle Years

7.01 Introduction to equations

Interactive practice questions

Which of the following describes an "equation"?

An equation is a number sentence where all expressions are equal to zero.

A

An equation is any number sentence that uses a variable.

B

An equation is a number sentence that joins two expressions with an equals sign.

C

An equation is any mathematical expression following an equals sign.

D
Easy
< 1min

When is an equation true?

Easy
< 1min

Is the following equation true or false?

$22+6=4\times7$22+6=4×7

Easy
< 1min

Is the following equation true or false?

$51-6=18+4\times8$516=18+4×8

Easy
< 1min
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