Two-step Algebraic Equations
Authored by Kevin Slater
Mathematics
6th - 8th Grade
CCSS covered
Used 88+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Add 98 to both sides
Divide both sides by 2
Add 50 to both sides
Multiply both sides by 2
Answer explanation
Remember, we ALWAYS use inverses (opposites) to eliminate the constant (the number NOT with the variable) FIRST
2x - 50 = -98
becomes
2x = -48
Tags
CCSS.HSA.REI.A.1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Add 48 to both sides
Divide both sides by 2
Subtract 2 from both sides
Multiply both sides by 2
Answer explanation
Remember, we ALWAYS use inverses (opposites) to eliminate the coefficient (the number WITH the variable) NEXT
2x = -48
becomes
x = -24
Tags
CCSS.6.EE.B.7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Add 59 to both sides
Divide both sides by -3
Add 32 to both sides
Multiply both sides by -3
Answer explanation
Remember, we ALWAYS use inverses (opposites) to eliminate the constant (the number NOT with the variable) FIRST
2x - 50 = -98
becomes
2x = -48
Tags
CCSS.7.EE.B.4A
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Add 3 to both sides
Divide both sides by -3
Add 27 to both sides
Multiply both sides by -3
Answer explanation
Remember, we ALWAYS use inverses (opposites) to eliminate the coefficient (the number WITH the variable) NEXT
-3x = -27
---- -----
-3 -3
becomes
x = 9
Tags
CCSS.6.EE.B.7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Add 22 to both sides
Divide both sides by 10
Add -20 to both sides
Multiply both sides by 10
Answer explanation
Remember, we ALWAYS use inverses (opposites) to eliminate the constant (the number NOT with the variable) FIRST
x
--- - 22 = -20
10
becomes
x
--- = 2
10
Tags
CCSS.HSA.REI.A.1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Add 10 to both sides
Divide both sides by 10
Multiply both sides by 10
Subtract 2 from both sides
Answer explanation
Remember, we ALWAYS use inverses (opposites) to eliminate the coefficient (the number WITH the variable) NEXT
10 x
--- x --- = 2 x 10
1 10
becomes
x = 20
Tags
CCSS.7.EE.B.4A
7.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Tags
CCSS.7.EE.B.4A
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