Solve by using number line
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8 partsStep-by-step solution
20 stepsHere are the solutions to the inequalities, including a description of their representation on a number line:
Part a· 2 steps
Solve
Split the compound inequality into two separate inequalities and solve for .
Combine the solutions.
We need AND . There is no value of that satisfies both conditions simultaneously.
The solution set is empty.Number line representation: Place an open circle at and shade to the left. Place an open circle at 1 and shade to the right. There is no overlapping region.
Part b
Solve
Divide all parts of the inequality by 3.
Simplify the inequality.
Number line representation: Place an open circle at and an open circle at 2. Shade the region between and 2.
Part c
Solve
Subtract 2 from all parts of the inequality.
Simplify the inequality.
Number line representation: Place a closed circle at and a closed circle at 5. Shade the region between and 5.
Part d
Solve
Add 1 to all parts of the inequality.
Simplify the inequality.
Number line representation: Place an open circle at and an open circle at 8. Shade the region between and 8.
Part e
Solve
Subtract 3 from all parts of the inequality.
Divide all parts of the inequality by 3.
Simplify the inequality.
Number line representation: Place a closed circle at and a closed circle at 2. Shade the region between and 2.
Part f
Solve
Add 1 to all parts of the inequality.
Simplify the inequality.
Number line representation: Place a closed circle at and a closed circle at 6. Shade the region between and 6.
Part g
Solve
Subtract 3 from both sides of the inequality.
Divide both sides by 2.
Simplify the inequality.
Number line representation: Place an open circle at 4. Shade the region to the left of 4.
Part h
Solve
Subtract $2x$ from both sides of the inequality.
Subtract 7 from both sides of the inequality.
Divide both sides by 2.
Simplify the inequality.
Number line representation: Place an open circle at . Shade the region to the left of .
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