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Mars2501 [29]
2 years ago
12

Solve the equation: 4 x 2 + 8 = - 7 X=

Mathematics
2 answers:
Nesterboy [21]2 years ago
7 0

\frac{16}{7}Answer:

X = -16/7

Step-by-step explanation:

Multiply the numbers

4 x 2 + 8 = -7x

8 + 8 = -7x

Add the numbers

8 + 8 = -7x

16= -7x

Divide both sides by the same factor

16= -7x

16 divided bu -7x and -7x divided by -7x

Simplify

-16 divided by 7 not negative 7 and -7 divided by -7

Cancel terms that are in both the numerator and denominator

cancel out -7 divided by -7 and you get -16/7 left

so, therefore x= -16/7

                             

Gwar [14]2 years ago
6 0

Answer:

Hope the picture will help

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Use the expression 8a+16c<br> What is the value of the expression when a = –5 and c = –1?
cestrela7 [59]

Answer:

i think its 8(a+2c)

Step-by-step explanation:

The GCF or greatest common factor of 8 and 16 is 8.

8a+16c

8(a+2c)

Therefore the answer is 8(a+2c)

7 0
2 years ago
Gerald mixes 2/3 cup whole wheat flour and 1/2 cup buckwheat flour to make 4 pancakes. How much of each type of flourbis needed
yulyashka [42]

Answer:

Whole Wheat = 1/6

Buckwheat = 1/8

W = whole wheat flour

B = buckwheat flour

⅔W + ½B = 4

Divide everything by 4

⅔W/4 + ½B/4 = 4/4

2/12W + 1/8B = 4/4

1/6W + ⅛B = 1

7 0
3 years ago
-2w + 20= -17 -17 +4w
mixas84 [53]

-2w + 20 = -17 - 17 + 4w

Combine like terms on the right side of the equation.

-2w + 20 = -34 + 4w

Add 2w to both sides.

20 = -34 + 6w

Add 34 to both sides.

54 = 6w

Divide both sides by 6.

w = 9 is your answer.

4 0
3 years ago
Solve for y.<br><br> x + y + z = 4<br><br> 4x - y - z = 1<br><br> x + z = 2
UNO [17]

Answer:

y=2

Step-by-step explanation:

<u>note:</u><u> </u><u>it</u><u> </u><u>only</u><u> </u><u>says</u><u> </u><u>to</u><u> </u><u>figure</u><u> </u><u>out</u><u> </u><u>y</u>

x+y+z=4

x+z+y=4

2+y=4 (since x+z=2)

y=4-2

y=2

3 0
3 years ago
How many solutions exist for the system of equations on the graph?
mrs_skeptik [129]

Answer:

<u>Two</u>

============================

Step-by-step explanation:

The solution for any system of equations is the intersection points between the graph that representing the system of equation.

So, for the given system of equation, we have  a circle and a parabola.

As shown in the figure, The circle and parabola are intersects at two points

So, there are two solutions for the system of equations on the graph.

So, The answer is option two.

4 0
3 years ago
Read 2 more answers
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