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laila [671]
2 years ago
13

simplifying expressions in inequalities....-6x+22 1/4+2x>9 3/4 +16 1/2......i did this equation but when i plug in the number

s for x, it's false. the answer i got on the inequality is x<-1​
Mathematics
1 answer:
NemiM [27]2 years ago
4 0

Answer:

x < -3\frac{3}{4}

Step-by-step explanation:

Given

-6x+22\frac{1}{4}+2x > 9\frac{3}{4} +16\frac{1}{2}

Required

Solve for x

-6x+22\frac{1}{4}+2x > 9\frac{3}{4} +16\frac{1}{2}

Collect Like Terms

-6x+2x > 9\frac{3}{4} +16\frac{1}{2}-22\frac{1}{4}

-4x > 9\frac{3}{4} +16\frac{1}{2}-22\frac{1}{4}

Convert all fractions to improper fractions

-4x > \frac{39}{4} +\frac{33}{2}-\frac{45}{4}

Take LCM

-4x > \frac{39+66- 45}{4}

-4x > \frac{60}{4}

-4x > 15

Divide through by -4; When an inequality is divided by a negative number, the inequality changes.

\frac{-4x}{-4} < \frac{15}{-4}

x < \frac{15}{-4}

x < -\frac{15}{4}

Convert to improper fraction

x < -3\frac{3}{4}

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