2 years ago

Someone please help:)

Mathematics

1 answer:

iogann1982 [59]2 years ago

4 0

Answer:

2. Addition property of inequality. You're adding 6x to both sides.

3. 4x = 28

4. 4x/4 = 28/4 Justification: Division property of inequality

You're dividing both sides by 4.

5. x = 7

Hope that helps.

You might be interested in

What are the solutions to the quadratic equation 98-x2=0

kifflom [539]

$98-x^2=0\qquad\text{add}\ x^2\ \text{to both sides}\\\\98=x^2\to x^2=98\\\\x=\pm\sqrt{98}\\\\x=\pm\sqrt{49\cdot2}\\\\x=\pm\sqrt{49}\cdot\sqrt2\\\\\boxed{x=-7\sqrt2\ \vee\ x=7\sqrt2}$

8 0

2 years ago

Solve this system of equations: y=2x x=-y+6

LenKa [72]

Answer:

(2,4)

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Can 8x be added to 56? Why or why not? Use rich text?

Vladimir [108]

Answer:

see below

Step-by-step explanation:

8x and 56 are not like terms

x is a variable and 56 is a constant

8x can be added to 56 but they cannot be combined together into one term

8x+56 cannot be combined because they are not like terms

7 0

2 years ago

What is the value of 5(a + b) when a=1 and b=6

lana [24]

Answer: 35

Step-by-step explanation:

We substitute a for 1 and b for 6.

5(1+6)=5(7)=35

5 0

2 years ago

F(x)=2x 2 −x+9 \text{Find }f(4) Find f(4)

Artemon [7]

Answer:

Step-by-step explanation:

f(x)=2x²−x+9

f(4)= 2(4)²-4+9

= 32-4+9

= 37

8 0

2 years ago