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astra-53 [7]
3 years ago
12

What is the value of x in the equation 3 ( 4 x − 6 ) = − 3 ( 5 − 2 x )

Mathematics
2 answers:
valina [46]3 years ago
3 0

Answer:  x = 0.3

Step-by-step explanation:

12x-18=-15+6x

6x = 3

x = 1/2 or 0.5

[Corrected]

kap26 [50]3 years ago
3 0

\small\tt\red{Question   = 3(4x - 6) =  - 3(5 - 2x)}  \\\small\tt\green{find \: the \: value \: of \: x}.  \\  \\ \small\orange{\underline{ \underline{solution}: - }} \\  \\    \tt\color{blue}3(4x - 6) =  - 3(5 - 2x) \\  \\  \tt \color{blue}12x - 18 =  - 15 + 6x \\  \\  \tt \color{blue}12x - 6x =  - 15 + 18 \\  \\  \tt \color{blue}6x = 3 \\  \\  \tt \color{blue}x = \cancel  \frac{3}{6}  \\  \\  \tt \color {green}x =  \frac{1}{2}  \:  \: or \:  \: 0.5 \:  \: answer

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Alvin is 7 years younger than Elgas. The sum of their ages is 63. What is Elgas age?
Elden [556K]

Answer:

Elgas is 35.

Step-by-step explanation:

Let's set up an equation.

Alvin is 7 years younger than Elgas.

A = E - 7

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A + E = 63

Let's use substitution.

Plug in the first equation of A into the second equation.

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Hope this helps!

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