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Solve for x.
3x-3/4x+3
-
When angles form a linear pair, their sum is 180°.
8x 3 + 4x + 3 = 180
[?]+[] = 180
Hint: First we must combine like terms. Calculate the sum
of 8x and 4x and enter the value of the coefficient.
Enter


can anyone help me ? and show solving steps if possible

Solve for x 3x34x3 When angles form a linear pair their sum is 180 8x 3 4x 3 180 180 Hint First we must combine like terms Calculate the sum of 8x and 4x and en class=

Respuesta :

jcherry99

Answer:

Step-by-step explanation:

Remark

They are asking you to combine like terms. The total should be 180.

Givens

2 angles

  • 8x - 3
  • 4x + 3

Total 180

Solution

8x - 3 + 4x + 3 = 180        The threes cancel. So add what's left. They are of opposite signs, so they cancel.

12x = 180                           Divide both sides by 12

12x/12 = 180 /12                        

x = 15

spbankingandsscserie

Explanation -:

In this question we are provided with the two angles that is 8x - 3 and 4x + 3 respectively. It is also given that the sum of this two angles is 180°.

To solve this question we will combine the like terms and there sum must be 180°.

[tex] \small\sf{ 8x - 3 + 4x + 3 = 180°} [/tex]

[tex] \bull \: \small\sf{ We \: will \: cancel \: 3 \: because \: they \: are \: of \: opposite \: signs }[/tex]

[tex] \small\rm 8x + 4x = 180 \degree[/tex]

[tex] \bull \: \small\sf{Addition} [/tex]

[tex] \small\rm{ 12x = 180 \degree}[/tex]

[tex] \bull \: \small\sf{ Divide\: both \: side \: by \: 12}[/tex]

[tex] \small\rm{ \dfrac{12x}{12} = \dfrac{180}{12} \: = 15 \degree}[/tex]

[tex] \small \underline{ \boxed{\sf{x = 15} }}[/tex]

[tex] \rule{71mm}{4pt}[/tex]

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