4 years ago

Write a real life rate that applies to you

Mathematics

1 answer:

Zigmanuir [339]4 years ago

4 0

This is subject to you personally there is no right answer.

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How substation y=3x-7 <br> 2y+4x=36

SSSSS [86.1K]

The solution is:

x = 5

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Step-by-step explanation:

Given equations are:

$y=3x-7\ \ \ Eqn\ 1\\2y+4y = 36\ \ \ Eqn\ 2$

Putting y = 3x-7 in equation 2

$2(3x-7)+4x = 36\\6x-14+4x = 36\\10x-14 = 36\\10x = 36+14\\10x = 50$

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Putting x=5 in eqn 1

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Hence,

x = 5

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Keywords: Linear equation, substitution method

Learn more about linear equation at:

#LearnwithBrainly

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