3 years ago

What is -7(5x-4) simplifyed

Mathematics

2 answers:

HACTEHA [7]3 years ago

7 0

Answer:

-35x+28

Step-by-step explanation:

have a great day :'D

Naddika [18.5K]3 years ago

5 0

Answer:

35−28

Step-by-step explanation:

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Solve the system of equations using multiplication. 3x – 3y = –3 5x – y = –13 What is the solution of the system?

love history [14]

ANSWER

The solution is

x=-3,y=-2

EXPLANATION

First equation

3x – 3y = –3

Second Equation:

5x – y = –13

Multiply the second equation by 3 to get:

Third equation:

15x-3y=-39

Subtract the first equation from the third equation:

$15x - 3x = - 39 - - 3$

$12x = - 36$

Divide both sides by 12,

$x = \frac{ - 36}{12} = - 3$

Put x=-3 into the first equation:

$3( - 3) - 3y = - 3$

$- 9 - 3y = - 3$

Group like terms,

$- 3y = - 3 + 9$

$- 3y = 6$

$y = - 2$

The solution is

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Ms Durham buys a metre of fabric. She cuts off 30) cm. The amount of fabric left in<br> cm is?

oksian1 [2.3K]

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100 cm in a meter
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3 years ago

What is 4.2x+3=11.82<br> X=

ki77a [65]

Answer:

x=2.1

Step-by-step explanation:

4.2x+3=11.82

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4.2x=8.82

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Choose the correct slope of the line that passes through the points (1, −3) and (3, −5).

Lelu [443]

I believe it is -1.

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A machine in a shoe factory produces shoelaces. The number of shoelaces it produces is proportional to the time. It can produce

larisa86 [58]

Answer:

12 * 3x

Step-by-step explanation:

x is equal to the minutes

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3 years ago