All categories

3 years ago

Of the following options, what could be a possible first step in solving the equation -7x -5= x + 3

Mathematics

2 answers:

mojhsa [17]3 years ago

5 0

You would need to add 7x to both sides.

natta225 [31]3 years ago

4 0

Answer:

Option a) Adding 7x to both the sides

Step-by-step explanation:

Given is an equation linear in one variable x.

$-7x -5= x + 3$

To solve this equation we have to bring x terms on one side and constants on the other side.

Subtracting 5 from both sides will not eliminate the constant -5 hence wrong.

Adding x to both sides will make right side as 2x instead of eliminating x.

Combining like terms will give -7x-x not -7x+x hence incorrect

Adding 7x to both sides gets rid of x term on the left.

Hence this option is right answer

You might be interested in

Graph A represents the function f(x)=^3 graph B and C are transformations of graph A

PolarNik [594]

Answer:

Step-by-step explanatio

6 0

2 years ago

Help me please owo due today

Allushta [10]

Answer:

the area of the mat = total area added minus the original area of the water color painting.

length of the mat is:

L = 21 in + 3 in + 3 in because 3 in is added to each side

L = 27 inwidth of the mat is:w = 11 in + 3 in + 3 inw = 17in

Area mat = (27 in x 17 in) - ( 21 in x 27 in)

area mat = 108 sq in is the area of the mat

4 0

3 years ago

Read 2 more answers

How would I solve this equation for mass (m)?

zaharov [31]

Simple...

you have: $F= \frac{G m^{2} }{ d^{2} }$

You want to find m-->>>

1.)Isolate m

$d^{2} *F= \frac{G m^{2} }{ d^{2} } * d^{2}$

Leaving you with...

F* $d^{2}$ = $G m^{2}$

Keep isolating m-->>>

$F* d^{2} =G m^{2}$

$\frac{F* d^{2} }{G} = \frac{G m^{2} }{G}$

Square root to solve what just m is-->>>

$\sqrt{ \frac{F* d^{2} }{G} } = \sqrt{ m^{2} }$

= $\sqrt{ \frac{F* d^{2} }{G} } =m$

That is how you solve for m...

Thus, your answer.

7 0

2 years ago

How to solve -2 = -6 + 4v?

liq [111]

Hello there.

How to solve -2 = -6 + 4v?
−2=4v−6
4v−6=−2
4v−6+6=−2+64v=4
4v/4=4/4
v=1

3 0

3 years ago

Read 2 more answers

A person that weighs 150 pounds on earth would weigh 50 pounds on mars. how much would a person that weighs 60 pounds on earth w

Schach [20]

150 lbs on Earth is equal to 50 pounds on Mars

60 lbs on Earth is equal to _____

Set up a proportion.

$\frac{150}{50} = \frac{60}{?}$
Cross multiply.

$50 \times 60 = 3000$
$3000 \div 150 = 20$
The person would weigh 20 lbs on Mars.

3 0

3 years ago

Read 2 more answers