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2 years ago

(8x – 12) – (-9x+6) = -80 What is x?

Mathematics

2 answers:

Bingel [31]2 years ago

6 0

X meaning the letter X that’s how math works OR either X as for multiplication so it would be like -80x get it or no

quester [9]2 years ago

5 0

(8x - 12) + (9x - 6) = -80 (Rewrite the equation)
17x - 18 = -80 (Combine like terms)
17x = 62 (Divide by 17)
x = 62/17

Answer: x = 62/17

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2 years ago

triangle QRS is an equilateral triangle. If QR is seventeen more than twice x, RS is 19 less than six times x, and QS is one les

koban [17]

Value of x is 9 and measure of each side is 35 units.

<u>SOLUTION: </u>

Given, Triangle QRS is an equilateral triangle.

QR is seventeen more than twice x, $\rightarrow QR = 17 + 2x$

RS is 19 less than six times x, $\rightarrow RS = 6x-19$

And QS is one less four times x, $\rightarrow QS = 4x-1$

We have to find x and measure of each side.

Now, we know that, sides of equilateral triangle are equal,

Then $QR = QS \rightarrow 17 + 2x = 4x-1 \rightarrow 4x-2x = 17 + 1 \rightarrow 2x = 18 \rightarrow x = 9$

So, value of x is 9.

$\begin{array}{l}{\text { Now, } \mathrm{QR}=17+2(9)=17+18=35} \\\\ {\mathrm{RS}=6(9)-19=54-19=35} \\\\ {\mathrm{QS}=4(9)-1=36-1=35}\end{array}$

Hence, value of x is 9 and measure of each side is 35.

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