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3 years ago

2x+90=7xplease explain it step-by-step

Mathematics

2 answers:

horrorfan [7]3 years ago

6 0

Answer:

Step-by-step explanation:

2x+90=7x

2x=7x-90

2x-7x=-90

-5x+-90

x=18

Naya [18.7K]3 years ago

3 0

Answer:

x=18

Step-by-step explanation:

subtract 2x from both sides: 90=7x-2x

simplify 7x-2x to 5x: 90=5x

divide both sides by 5: 90/5=x

simplify 90/5 to 18: 18=x

so your answer is 18=x

Ps. you can always use cymath to solve these equations or socratic.

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Evgesh-ka [11]

Midpoint formula $\left( \dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)$

Let S denote the midpoint of R and T
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8 0

4 years ago

Read 2 more answers

Simplify. (-4·3·2)2 A)-48 B)-48 C)-576 D)576

Liono4ka [1.6K]

Hey there!

Your answer: -48

How?

(-4 × 3) = -12

$\downarrow$

-12 × 2 = -24

$\downarrow$

-24 × 2 = -48

Your answer: -48

4 0

4 years ago

Kylie explained that (negative 4 x + 9) squared will result in a difference of squares because (negative 4 x + 9) squared = (neg

Eva8 [605]

Given:

The given expression is:

$(-4x+9)^2$

According to Kylie,

$(-4x+9)^2=(-4x)^2+(9)^2$

$(-4x+9)^2=16x^2+81$

To find:

The correct statement for Kylie's explanation.

Solution:

We have,

$(-4x+9)^2$

According to the perfect square trinomial $(a+b)^2=a^2+2ab+b^2$ .

$(-4x+9)^2=(-4x)^2+2(-4x)(9)+(9)^2$

$(-4x+9)^2=16x^2-72x+81$

Kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly.

Therefore, the correct option is C.

4 0

3 years ago

Read 2 more answers

This and a few more and I’m officially a highschool graduate could I please get some help

vladimir2022 [97]

Answer:

q=3

Step-by-step explanation:

So first we could +2 on both sides so the equation would be 3q=9. 9/3=3. q=3.

8 0

3 years ago

The first golfer had a score of +6 and the second golfer had a score of -3. How many more shots did the first golfer take. 1.The

Lera25 [3.4K]

Answer:

9 more shots

Step-by-step explanation:

If the first golfer had a score of +6 and the second golfer had a score of -3, in order to know how many more shots the first golfer take, we will take the difference between both goals as shown;

= 6-(-3)

= 6+3

= 9

Hence the first golfer took 9 more shots than the second.

5 0

3 years ago

2x+90=7xplease explain it step-by-step ​

2x+90=7xplease explain it step-by-step