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Mathematics 18 Online
OpenStudy (oreolover4876):

can someone help me solve for x please?

OpenStudy (catlover5925):

meh i can

OpenStudy (oreolover4876):

|dw:1418784446216:dw|

OpenStudy (ahsome):

Whats the equation?

OpenStudy (catlover5925):

ok so a straight line has to equal 180 degrees so you have 90 + 32 = 122 idont know how to do the rest sorry

OpenStudy (ahsome):

Easy. You know that a straight line is equal to 180 degrees right? That means that when you add up all the angles, it should equal to 180 \[90+32+9x+4=180\] Then just solve from there \[90+32+9x+4=180\]\[90+32+9x+4-90=180-90\]\[\cancel{90}+32+9x+4\cancel{-90}=180-90\]\[32+9x+4=180-90\]\[32+9x+4=90\]\[32+9x+4-32=90-32\]\[\cancel{32}+9x+4\cancel{-32}=90-32\]\[9x+4=90-32\]\[9x+4=58\]\[9x+4-4=58-4\]\[9x\cancel{+4-4}=58-4\]\[9x=58-4\]\[9x=54\]\[\frac{9x}{9}=\frac{54}{9}\]\[\frac{\cancel{9}x}{\cancel{9}}=\frac{54}{9}\]\[x=\frac{54}{9}\]\[x=6\] Therefore, \(x=6\)

OpenStudy (ahsome):

Here is a simplified version: \[90+32+9x+4=180\] \[32+9x+4=90\] \[9x+4=58\] \[9x=54\] \[x=\frac{54}{9}\] \[x=6\]

OpenStudy (catlover5925):

\(\huge\color{lime}{Good~Job~@Ahsome}\)

OpenStudy (ahsome):

\[\Huge{\Huge{\text{Thank You} :)}}\]

OpenStudy (oreolover4876):

Thank you guys so much heling me study for my finals!

OpenStudy (ahsome):

No Problem :)

OpenStudy (ahsome):

\[\Huge{\cancel{No-Problem}}\]

OpenStudy (oreolover4876):

M is the midpoint of RS. R is at (4,3) and M is at (6,7). What are the coordinates of S?

OpenStudy (ahsome):

Ask this question seperately, then we all can help :)

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