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What value of
x makes the equation below true?

10 x+8=78
4
7
8
9

What value of $x$ makes the equation below true? $\newline$ $10 x+8=78$ $\newline$ $4$ $\newline$ $7$ $\newline$ $8$ $\newline$ $9$

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Multiply two matrices

Full solution

Q. What value of

x

makes the equation below true?

\newline

10 x+8=78

\newline

4

\newline

7

\newline

8

\newline

9

Write Equation: Write down the equation to solve for x. $\newline$ $10x + 8 = 78$
Subtract to Isolate: Subtract $8$ from both sides of the equation to isolate the term with $x$ . $\newline$ $10x + 8 - 8 = 78 - 8$ $\newline$ $10x = 70$
Divide to Solve: Divide both sides of the equation by $10$ to solve for $x$ . $\newline$ $\frac{10x}{10} = \frac{70}{10}$ $\newline$ $x = 7$

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