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Chapter 3: Q.68 (page 113)

$1.2 x - 0.91 = 0.8 x + 2.29$

Short Answer

Expert verified

The value of $x = 8$

Step by step solution

01

- The given information

$1.2 x - 0.91 = 0.8 x + 2.29$

02

Step 2

$1.2 x - 0.91 = 0.8 x + 2.29 \Rightarrow 1.2 x - 0.8 x = 2.29 + 0.91 \Rightarrow 0.4 x = 3.2 \Rightarrow x = 8$

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Most popular questions from this chapter

Solve each system of equations by graphing.

$\begin{matrix} 12. 8 x - 10 y = 7 \\ 4 x - 5 y = 7 \end{matrix}$

11: Solve each system of inequalities by graphing.

$\begin{matrix} x + 2 y \geq 7 \\ 3 x - 4 y > 12 \end{matrix}$

Solve each system of equations.

$\begin{matrix} x + y + z = - 1 \\ 2 x + 4 y + z = 1 \\ x + 2 y - 3 z = - 3 \end{matrix}$

Solve each system of equations.

9.

$\begin{array}{l} x + y + z = 12 \\ 6 x - 2 y - z = 16 \\ 3 x + 4 y + 2 z = 28 \end{array}$

Explain why you should simplify both sides of an equation as much as possible before collecting the variable terms to one side and the constant terms to the other side.

See all solutions

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