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zhuklara [117]
3 years ago
11

Which of the following best describes the equation below?

Mathematics
1 answer:
Sloan [31]3 years ago
6 0

2(x + 11) + 7x = 9x - 22

mutiply the bracket by 2

(2)(x)= 2x

(2)(11)= 22

2x+22+7x=9x-22

2x+7x+22= 9x-22 ( combine like terms)

9x+22= 9x-22

move 9x to the left side

sign changes from +9x to -9x

9x-9x+22= 9x-9x-22

0+22= 0-22

22= -22

Answer:

C. no real solutions

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Assignment: \bold{Simplify \ Equation: \ 7\left(3\sqrt{2}x\right)-3\left(3\sqrt{16}x\right)-3\left(3\sqrt{8}x\right)}

<><><><><><><>

Answer: \boxed{\bold{3\sqrt{2}x-36x}}

<><><><><><><>

Explanation: \downarrow\downarrow\downarrow

<><><><><><><>

[ Step One ] Remove Parenthesis (a) = a

\bold{7\cdot \:3\sqrt{2}x-3\cdot \:3\sqrt{16}x-3\cdot \:3\sqrt{8}x}

[ Step Two ] Simplify Equations

\bold{7\cdot \:3\sqrt{2}x: \ 21\sqrt{2}x}

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\bold{3\cdot \:3\sqrt{8}x: \ 18\sqrt{2}x}

[ Step Three ] Rewrite Equation

\bold{21\sqrt{2}x-36x-18\sqrt{2}x}

[ Step Four ] Add Similar Elements

\bold{21\sqrt{2}x-18\sqrt{2}x=3\sqrt{2}x}

[ Step Five ] Rewrite Equation

\bold{3\sqrt{2}x-36x}

<><><><><><><>

\bold{\rightarrow Mordancy \leftarrow}

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