Part 1: Solve the inequality -5x + 8 less than or greater to x - 4 and show all of your work. You can use <= to represent the less than or equal to symbol.
Part 2: Use complete sentences to describe the graph of the solution from Part 1. Be sure to include the type of circle and which direction the shading will be.
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OpenStudy (anonymous):
can someone help
OpenStudy (anonymous):
Is this your question?
\(-5x+8 \leq x-4\)
OpenStudy (anonymous):
You need to isolate the x just like an equation.
OpenStudy (anonymous):
so it would be -6x + 8 \[\le\] x - 4
OpenStudy (anonymous):
No. When you subtract the x from both sides, it cancels out on the right side.
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OpenStudy (anonymous):
i dont get it
OpenStudy (anonymous):
\[-5x-x+8 \leq \cancel{x-x}-4\]
\[-6x+8 \leq -4\]
OpenStudy (anonymous):
oh so now its
-6x + 8 <= -4
- 8 -8
-6x<= -12
OpenStudy (anonymous):
Yes.
OpenStudy (anonymous):
so it would be x <= -2
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OpenStudy (anonymous):
The only difference between solving an equation and an inequality is that the inequality reverses when you multiply or divide by a negative.
OpenStudy (anonymous):
Also, remember that a negative divided by a negative has a positive answer.
OpenStudy (anonymous):
so \[x \ge -2\]
OpenStudy (anonymous):
Yes.
OpenStudy (anonymous):
whats part 2?
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OpenStudy (anonymous):
Draw the graph and then describe what it will looks like.