<span>Simplifying
7p + 2 = 5p + 8
Reorder the terms:
2 + 7p = 5p + 8
Reorder the terms:
2 + 7p = 8 + 5p
Solving
2 + 7p = 8 + 5p
Solving for variable 'p'.
Move all terms containing p to the left, all other terms to the right.
Add '-5p' to each side of the equation.
2 + 7p + -5p = 8 + 5p + -5p</span>
<span><span><span> </span></span></span><span><span><span>Answer is: </span></span></span><span><span><span>5p</span>+8</span>=<span><span>7p</span>+2</span></span> Step 1: Subtract 7p from both sides.<span><span><span><span> 5p</span>+8</span>−<span>7p</span></span>=<span><span><span>7p</span>+2</span>−<span>7p</span></span></span><span><span><span> −<span>2p</span></span>+8</span>=2</span> Step 2: Subtract 8 from both sides.<span><span><span><span> −<span>2p</span></span>+8</span>−8</span>=<span>2−8</span></span><span><span>−<span>2p</span></span>=<span>−6</span></span> Step 3: Divide both sides by -2.<span><span><span> −<span>2p</span></span><span>−2</span></span>=<span><span>−6</span><span>−2</span></span></span><span> p=3</span>
The answer should be 103. Because the interior angles of all triangles add up to 180 degrees, you can just add together the two known interior angles; subtract them from 180; and then find the supplement.
