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

Solve for (x).

When angles form a linear pair, their sum is (180^circ).
[
8 x-3+4 x+3=180 
[?] x+[]=180
]

Hint: First we must combine like terms. Calculate the sum of (8 x) and (4 x) and enter the value of the coefficient.
Transcript text: Solve for $x$. When angles form a linear pair, their sum is $180^{\circ}$. \[ \begin{array}{r} 8 x-3+4 x+3=180 \\ {[?] x+[]=180} \end{array} \] Hint: First we must combine like terms. Calculate the sum of $8 x$ and $4 x$ and enter the value of the coefficient.
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Solution

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Solution Steps

Step 1: Combine like terms

Combine the x terms: 8x + 4x = 12x Combine the constant terms: -3 + 3 = 0

The equation becomes: 12x + 0 = 180 or 12x = 180

Step 2: Solve for x

Divide both sides of the equation by 12:

12x / 12 = 180 / 12

x = 15

Final Answer

x = 15

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