Mrs.D Math · 7th Grade

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CRUNCH

Solve Two-Step Equations & Inequalities
2-Step Equations
+
2-Step Inequalities
= Equations Only
≤ Inequalities Only
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📚 Two-Step Equations & Inequalities

= Two-Step Equations

1
Add or subtract to move the constant away from the variable term.
3x + 4 = 19 → subtract 4 → 3x = 15
2
Divide or multiply to isolate x.
3x = 15 → divide by 3 → x = 5

≤ Two-Step Inequalities

1
Same as equations — undo addition or subtraction first.
2x − 5 > 9 → add 5 → 2x > 14
2
Undo multiplication or division. Watch for the flip rule!
2x > 14 → divide by 2 → x > 7
⚠ Flip Rule — Negative Coefficient
−3x + 6 ≤ 15
→ −6
−3x ≤ 9 → ÷(−3) FLIP!
→
x ≥ −3

Key Differences

Equations
One exact answer
x = 5
Inequalities
Range of answers
x > 5
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QUESTION 1 / 10
EQUATION
Step 1
→
Step 2
⚠ Dividing by a negative — FLIP the sign!
x =
Enter a whole number (can be negative)
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