Math Problem Statement

Kalyn was given the following equation.

8(1.75x−3)=0.5(10x+24)8(1.75x−3)=0.5(10x+24)

What is the solution to the equation?

A.44

B.33

C.−43−43

D.00

Solution

To solve the equation 8(1.75x3)=0.5(10x+24)8(1.75x - 3) = 0.5(10x + 24), let's follow these steps:

Step 1: Expand both sides of the equation.

Expand the left side: 8(1.75x3)=8×1.75x8×3=14x248(1.75x - 3) = 8 \times 1.75x - 8 \times 3 = 14x - 24 Expand the right side: 0.5(10x+24)=0.5×10x+0.5×24=5x+120.5(10x + 24) = 0.5 \times 10x + 0.5 \times 24 = 5x + 12 So the equation becomes: 14x24=5x+1214x - 24 = 5x + 12

Step 2: Get all terms involving xx on one side.

Subtract 5x5x from both sides: 14x5x24=1214x - 5x - 24 = 12 Simplify: 9x24=129x - 24 = 12

Step 3: Solve for xx.

Add 24 to both sides: 9x=12+249x = 12 + 24 9x=369x = 36 Now, divide both sides by 9

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Math Problem Analysis

Mathematical Concepts

Equations
Algebra

Formulas

Distributive Property

Theorems

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Suitable Grade Level

Grades 7-9