1 year ago

Simplify the given equation. 6 - (3x + 10) + 4(2 - x) = 15

Mathematics

2 answers:

Anettt [7]1 year ago

8 0

Step-by-step explanation:

a)12-7x=15

I think its HELP

enyata [817]1 year ago

3 0

6-3x-10+8-4x=15

4-7x=15

A IS YOUR ANSWER!

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2 years ago

Question 2(Multiple Choice Worth 1 points) (06.01) Solve 2x + 5y = −13 3x − 4y = −8 (4, 1) (−4, 1) (4, −1) (−4, −1)

dlinn [17]

ANSWER

The solution is
$(-4,-1)$

EXPLANATION

The given equations are:

$2x + 5y = - 13...(1)$

and

$3x - 4y = - 8...(2)$

We multiply equation 1 by 3 to get,

$6x + 15y = - 39...(3)$

We multiply equation 2 also by 2 to get,

$6x - 8y = - 16...(4)$

We subtract equation 4 from equation 3 to get,

$23y = - 23$
This implies that,

$y = - 1$

We put this value of y into any of the equations say equation 2

$3x - 4( - 1) = - 8$
Simplify

$3x + 4 = - 8$
Group like terms
$3x = - 8 - 4$
Simplify,

$3x = - 12$

Divide both sides by 3 to get,

$x = - 4$

Therefore the solution is
$(-4,-1)$

The correct answer is option D.

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3 years ago

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Three hours is the answer I think

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2 years ago

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Lubov Fominskaja [6]

Answer:

Step-by-step explanation: