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blsea [12.9K]
3 years ago
15

3c+6=18 how do you work this problem?

Mathematics
2 answers:
Bogdan [553]3 years ago
4 0

Answer:

c = 4

Step-by-step explanation:

Simplifying

3c + 6 = 18

Reorder the terms:

6 + 3c = 18

Solving

6 + 3c = 18

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '-6' to each side of the equation.

6 + -6 + 3c = 18 + -6

Combine like terms: 6 + -6 = 0

0 + 3c = 18 + -6

3c = 18 + -6

Combine like terms: 18 + -6 = 12

3c = 12

Divide each side by '3'.

c = 4

Simplifying

c = 4

Alex_Xolod [135]3 years ago
4 0

Answer:

Step-by-step explanation:

subtract six from both sides

3c+6-6=18-6

simplify

3c=12

divide both sides by 3

3c/3 =12/3

c=4

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Simplify the expression. <br> 1/2r – 2r + 6 – 3
Hoochie [10]

Answer:

-3(r-2)/2

Step-by-step explanation:

r/ 2 − 2 r + 6 − 3

r /2 − 2 r⋅ 2/ 2+ 6 − 3

r/ 2 + − 2r ⋅ 2/ 2 + 6 − 3

r − 2 r ⋅ 2 /2 + 6 ⋅ 2/ 2 + − 3 ⋅ 2/ 2

r − 2 r ⋅2 + 6⋅ 2 − 3 ⋅ 2 /2

r − 4 r + 12 − 6 /2

−3 ( r − 2 ) /2

Hope that helps! Plz, mark brainiest! :D

Have a great day!

7 0
3 years ago
an apple orchard contains a hundred and twelve trees the number of trees in each row is 2 less than twice the number of rows fin
san4es73 [151]
Let x be the number of rows and y be the number of trees per row.

x* y = 112
and y =  2x - 2
from first equation  y = 112/x
so  112/x = 2x - 2
112 = 2x^2 - 2x
2x^2 - 2x - 112 = 0
x^2 - x - 56 = 0
(x - 8)(x + 7) = 0
x = 8 , - 7   (ignore the negative)
so the number of rows = 8 
and number of trees per row = 112/8 = 14

Answer number of rows = 8 and number trees i each row = 14.



6 0
4 years ago
What is <br>6 over 9<br>and <br>11 over 88​
TEA [102]

Answer:

6 over 9 = 6/9 11 over 88 = 11/88 6/9 = 0.6667(repeating) 11/88 = 0.125

P.S. Dont fall for those link scams! ;)

Hope this helped! If it did, please give me brainliest! It would help a lot! Thanks! :D

5 0
3 years ago
Lines AB and CD intersect at P. PR is perpendicular to line AB, and the measure of ∠APD is 170°. A series of intersecting lines.
Anna [14]

Answer:

A) 10^0

Step-by-step explanation:

Please see the attached file:

7 0
4 years ago
Please help 20 Pts...
storchak [24]

Step-by-step explanation:

5/4,1.25

ok po itry my best

8 0
3 years ago
Read 2 more answers
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