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Papessa [141]
3 years ago
11

Please help !!!!Solve the equation . Show your work 3x-10=5x+32

Mathematics
2 answers:
rewona [7]3 years ago
8 0

These "3-step" equations can be solved a variety of ways. One that always works is the following:

  1. Locate the variable term with the smallest coefficient. (3x, on the left)
  2. Subtract everything on that side of the equation from both sides of the equation. Simplify. (0 = 2x +42)
  3. Divide by the coefficient of the variable. (0 = x + 21)
  4. Add the opposite of the constant. (-21 = x)

The solution is x=-21.

_____

<u>Check</u>

3(-21)-10 = 5(-21)+32 . . . . . . substitute -21 for x in the given equation

-63 -10 = -105 +32

-73 = -73 . . . . . . the solution works in the original equation

_____

* Note that the reason for the "step 1" listed here is to make sure the resulting coefficient of the variable is positive. You could arbitrarily always subtract the right side, for example, but then in step 3 you would be dividing by a negative number sometimes. That works just fine and will give you the correct answer, but some folks get confused doing arithmetic with negative numbers. The steps listed help avoid that confusion.

inn [45]3 years ago
4 0
Here is how i got it x = -21

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I need help with number 7.
Anastaziya [24]
Well what grade are you in cause I’m also learning some of this stuff, I actually learned it before at t(e beginning of the year
7 0
3 years ago
How do you solve -2 = t/3 - 11?
andrey2020 [161]
<h2><u>Answer:</u></h2><h2><u></u>\boxed{t=27}<u></u></h2><h2><u></u></h2><h2><u>Solution Steps:</u></h2>

______________________________

<h3>1.) Multiply both sides of the equation by 3:</h3>
  • \frac{t}{3} × 3=t
  • -11 × -3=-33

<em>  - We do this because we need to get x alone and separate from fraction from. </em>

<u>Equation at the end of Step 1:</u>

  • <u />-6=t-33<u />

<h3>2.) Add 33 to both sides:</h3>
  • -33+33= Cancels Out
  • -6+33=27

<em>  - We do this to cancel out an extra numbers in order to get only x alone with 1 number on the opposite side of the equal. </em>

______________________________

7 0
3 years ago
What will happen to the ratios as you increase the number of sides of the regular polygon?
earnstyle [38]

Answer: increase

Step-by-step explanation:

Number of sides of the polygon, The number of sides of a regular polygon and the measure of the exterior angle are inversely proportional. <em><u>As one quantity increases, the other decreases and vice versa.</u></em>

4 0
3 years ago
How many zeros will the product of 700 and 300 have?
UNO [17]

The answer would be 4.

700 x 300 = 210,000

4 0
4 years ago
Read 2 more answers
Quad DEFG with mZD= (12x - 4),
nadezda [96]

Answer: x = 7°

Explanation:

We know that sum of angles of a quadilateral is = 360°

Therefore ATQ

⇒ (12x-4)+(18x+4)+(15x+10)+(5x) = 360

⇒ (12x + 18x + 15x + 5x) + (-4+4+10) = 360

⇒ 50x + 10 = 360

⇒ 50x = 360-10

⇒ 50x = 350

⇒ x = 350/50

⇒ x = 7

Therefore value of x is 7°

Must click thanks and mark brainliest

5 0
4 years ago
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