3 years ago

Solve for a 3a−(10+5a)=54

Mathematics

2 answers:

RUDIKE [14]3 years ago

8 0

Answer:

a = -32

Step-by-step explanation:

3a−(10+5a)=54

Distribute the minus sign

3a−10-5a=54

Combine like terms

-2a -10 = 54

Add 10 to each side

-2a-10+10 = 54+10

-2a = 64

Divide by -2

-2a/-2 = 64/-2

a = -32

Dovator [93]3 years ago

5 0

Answer:

a = -32

Step-by-step explanation:

3a - (10 + 5a) = 54

Distribute the negative sign as if it were -1.

3a - 10 - 5a = 54

Combine like terms on left side.

-2a - 10 = 54

Add 10 to both sides.

-2a = 64

Divide both sides by -2.

a = -32

You might be interested in

a florist sold bouquets of red roses to 15 of the first 20 customers who came into his shop. What is the experimental probabilit

Nadusha1986 [10]

I think u have to do 120÷20=60
then 60×15=900
so he sold 900 flowers I'm not sure tho

4 0

3 years ago

What is f(-4) if f(x)=|7x-3|

MrRissso [65]

Substitute the given into the function

f(-4) = |7(-4) - 3|
now solve
f(-4) = |-28 - 3|
f(-4) = | -31|
the absolute value of |-31| is 31
so,
f(-4) = 31

Hope this helps :)

8 0

3 years ago

Read 2 more answers

Carlos made a scale model of his house. The actual width is 30 feet, and the actual length is 45 feet. If the model has a width

olganol [36]

Hello!

Let's make a proportion:

$\frac{30}{45} = \frac{6}{x}$

Cross multiply

45 × 6 = 270

Divide by 30

270 ÷ 30 = 9

$\framebox {The length is 9 inches}$

3 0

3 years ago

-2+4(-x+4)=10 using distributive property and collecting like terms

stich3 [128]

Answer:

Step-by-step explanation:

$-2+4(-x+4)=10\qquad\text{use the distributive property:}\ a(b+c)=ab+ac\\\\-2+(4)(-x)+(4)(4)=10\\\\-2-4x+16=10\qquad\text{combine like terms}\\\\-4x+(-2+16)=10\\\\-4x+14=10\qquad\text{subtract 14 from both sides}\\\\-4x+14-14=10-14\\\\-4x=-4\qquad\text{divide both sides by (-4)}\\\\\dfrac{-4x}{-4}=\dfrac{-4}{-4}\\\\x=1$

4 0

3 years ago

The equation 9y-12x=36 is written in standard form what is the first step of the equation when writing an equivalent equation wh

Doss [256]

I hope this helps you

7 0

3 years ago

Read 2 more answers