Year 7 Equations Revision

What is the first step to solve this equation:
11 - 3x = 44

• Add 3 to both sides
• Subtract 11 from both sides
• Add 11 to both sides
• Divide 3 on both sides.

What is the solution of r - 11 = 5

• 11

• 14

• 15

• 16

Janeen's mother is 47. She is 26 years older than Janeen. Which equation can be used to find Janeen's age j?

• j + 26 = 47

• 26j = 47

• j - 26 = 47

• 47j = 26

What is the solution of 42 = 7f

• 294

• 49

• 35

• 6

The objective when solving an equation is to....

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.

Solve for x:
x + 8 = -3

• x = -5
• x = 5
• x = -11
• x = 11

Solve for k:
6k = 30

• k = 36
• k = 24
• k = 180
• k = 5

x - 8 = -5 

• 13
• -13
• 3
• -3

Solve:
-4x = 24

• 20
• -20
• 6
• -6

An equation is...

• a problem that contains at least one variable and at least one operation; no equal sign

• a mathematical sentence showing two expressions are equal.

• The solution for a variable

• The value that results in a true sentence