Equations

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

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

Tags

CCSS.7.EE.B.4A

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 
• Subtract 62 from each side.
• Multiply each side by 62.
• Add 123 to each side.

Tags

CCSS.6.EE.B.7

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.

Tags

CCSS.7.EE.B.4A

Solve the equation.
150 + y = 879

• y = 729
• y = 150
• y = 1,029
• y = - 729

Tags

CCSS.6.EE.B.7

17 = x + 3

• x = 20
• x = 14
• x = 13
• x = 19

x - 32 = 49

• x = 17
• x = 71
• x = 81
• x = 49

8 = x - 1

• x = 8
• x = 1
• x = 7
• x = 9

10x = 90

• x = 80
• x = 100
• x = 10
• x = 9

y/-5 = 20

• y = 100
• y = -4
• y = -100
• y = -15

33 = 4a - 7

• a=-10
• a=10
• a=4.5