All categories

3 years ago

3(c+5) = 12 so what does c= ?

2 answers:

5 0

Answer: C=-1
Solve equation step by step
3 (c+5)=12

Step 1: simplify both side of the equation.
3(c+5)=12 and distribute them

Step 2: Subtract 15 from both sides.
3c+15-15=12-15
3c=-3

Step 3: Divide both sides by 3.
3c/3=-3/3
C=-1

uysha [10]3 years ago

3 0

Answer: 4

Step-by-step explanation:

12 - 5 = 7,

7 - 3 = 4.

The answer to this is 4.

You might be interested in

If there are 400 cubic centimeters of a chemical in 1 liter of solution, how many cubic centimeters of water must be added to di

mars1129 [50]

$1l=1dm^3\\1dm=10cm\to1dm^3=(10cm)^3=1000cm^3\\\\1l=1000cm^3\\-------------\\ \begin{array}{ccc}400cm^3&-&25\%\\1000cm^3+x&-&100\%\end{array}\\cross\ multiply\\25(1000+x)=400\times100\\25000+25x=40000\ \ \ \ \ |subtract\ 25000\ from\ both\ sides\\25x=15000\ \ \ \ |divide\ both\ sides\ by\ 25\\\boxed{x=600\ (cm^3)}\\\\Answer:Must\ be\ added\ 600cm^3\ of\ water.$

5 0

3 years ago

Answer please.. I need help

allsm [11]

9.) 1 / [3]
When you set the denominators of 2 / 5 and 1 / 3, equal to each other, you receive a denominator of 15, the only denominator the two have in common

6 0

2 years ago

For brainiest:):):):):):):):)

Mice21 [21]

1) 72 inch
2) 3ft
3) 120 cm
4) 12yd

7 0

2 years ago

Read 2 more answers

Y= -4x+9; (-5, ), (2, ), (4, )

Zolol [24]

Answer:

(-5,29)

(2,1)

(4,-7)

Step-by-step explanation:

y = -4x + 9

When x is -5;

y = -4(-5) + 9 = 29

When x is 2;

y = -4(2) + 9 = 1

When x is 4;

y = -4(4) + 9 = -7

4 0

3 years ago

Expand and simplify 2(x+7) + 3(x+1)

mash [69]

Let's simplify step-by-step.

2(x+7)+3(x+1)

Distribute:

=(2)(x)+(2)(7)+(3)(x)+(3)(1)

=2x+14+3x+3

Combine Like Terms:

=2x+14+3x+3

=(2x+3x)+(14+3)

=5x+17

your answer is 5x+17

8 0

2 years ago