2 years ago

What is the value of triangle in the equation shown? 8 x 4 = (triangle x 7) - (triangle x 3)

Mathematics

1 answer:

GarryVolchara [31]2 years ago

7 0

9514 1404 393

Answer:

triangle = 8

Step-by-step explanation:

The right side can be factored so that you have ...

8 x 4 = (triangle x 7) - (triangle x 3)

8 x 4 = triangle x (7 - 3) . . . . use the distributive property

8 x 4 = triangle x 4 . . . . . . simplify

8 = triangle . . . . . . . . . . divide both sides by 4

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san4es73 [151]

We are given,

$\longrightarrow 0.2(10 - 5c) = 5c - 16$

Solving the parenthesis

${ \longrightarrow 0.2 \times 10 - 0.2 \times 5c = 5c - 16 }$

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${ \longrightarrow 2 + 16 = 5c + 1c }$

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Dividing both sides by 6

${ \longrightarrow 3 = c }$

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