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Chapter 12: Q39. (page 691)

Solve the equation. Check your solution.

5x-12=38

Short Answer

Expert verified

The solution of equation is 10.

Step by step solution

01

Step 1. Given Information.

The given equation is 5x-12=38.

02

Step 2. Calculation.

Solve the given equation by shifting the constant from left hand side to right hand side.

5x−12=385x=38+125x=50

Divide the equation by 5.

5x5=505x=10

Hence, the value of x after solving the equation is 10.

03

Step 3. Check the answer

Substitute 10 for x in the given equation

510−12=3850−12=3838=38

Since left side equal to the right side. Therefor the solution of the equation is 10.

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Most popular questions from this chapter

Draw two lines and a transversal intersecting both the lines. Then number the angles and identify both pairs of alternate interior angles.

Tell whether the angles are complementary, supplementary, or neither.

m∠5=95°m∠6=85°

Which angles have the same measure as ∠1 in the diagram?

In Exercises 32 and 33, use the diagram.

Which numbered angles have the same measure as ∠1? Explain your reasoning.

As shown in the diagram, the two structures of the Puerta de Europa (Door of Europe) in Madrid, Spain, lean toward each other at an angle of 15°from the vertical.

  1. In the diagram, ∠1 and the angle that measures 15° are complementary angles. Find m∠1.
  2. Tell whether ∠1and ∠2 arecomplementary or supplementary angles. Then use your answer to part (a) to find m∠2.
See all solutions

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