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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鈭�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鈭�12=3850鈭�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

In Exercise 3-6, match the description with correct value.

Measures of interior angles of a regular hexagon.

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鈭�5=95掳m鈭�6=85掳

Draw a line t on a piece of paper. Mark two points on t. At each point, fold the paper so that the two parts of t coincide, then crease the paper. The two creases form lines m and n. How are m and n related? Explain your reasoning.

In Exercises 29 and 30, tell whether a triangle exists for the given description. If so, classify the triangle by its angles. If not, explain why not.

Two of the angles are complementary.
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