Solving Equations with Variables on One Side

Tags

CCSS.7.EE.B.4A

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

Tags

CCSS.7.EE.B.4A

Solve:
3(x - 2) = 18

• 6.7
• 4
• 8
• -4

Tags

CCSS.7.EE.B.4A

2x - 3 + 4x = 27

• 12
• 4
• 5
• 15

Tags

CCSS.8.EE.C.7B

Find the error in the problem below
19 - 2k = 3k - 1
     +3k   +3k
19 + 1k = -1
-19           -19
k = -20

• They should have divided by 1 for the last step
• They should add 19 instead of subtracting 19
• I can not find an error
• Instead of adding 3k they should subtract 3k

Tags

CCSS.HSA.REI.A.1

Tags

CCSS.7.EE.B.4A

Tags

CCSS.7.EE.B.4A

Solve for x

• x = -3.2

• x = 2.8

• x = -2

• x = 2

Tags

CCSS.8.EE.C.7B

Solve:
6(5x - 3) + 2 = 14

• 2
• .5
• -1
• 1

Tags

CCSS.7.EE.B.4A

Solve: x + 3x - 2x = 12

• 2
• 6
• -2
• -6

Tags

CCSS.8.EE.C.7B