Answer:
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Step-by-step explanation:
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Answer:
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Step-by-step explanation:
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Answer:
angle s = 22
angle r = 117
angle q = 41
Step-by-step explanation:
so all of the angles equal to 180 degrees in a triangle
so you add all of t he angles like this:
x+5x+7x+2x-3=180
collect all of the like terms,
8x + 4 = 180
subtract 4 from both sides, which leaves you with 8x = 176
divide both sides by 8 leaving x on its own.
x = 22
angle s = 22
angle r = (5x22)+7 which is 117
angles q = (2x22)-3 which is 41
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Answer:
x=-3
You multiply what's in parentheses by 3 and to get x by itself you have to subtract 12 from that side which leaves you with 3x= -9. You then divide by 3 to get x=-3. To check this you fill -3 into the equation and you get the correct answer, 3.