Answer:
I gotchu the answer is 47
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<span> 4x+7=5
subtract 7 on both sides
4x = -2
divide both sides by 4
x = -2/4
simplify
x = -1/2</span>
Answer:
5 + 4 = 9
Step-by-step explanation:
Answer:
C=29
Step-by-step explanation:
a^2 + b^2 = c^2
21^2 + 20^2 = c^2
441 + 400 = c^2
841 = c^2
\sqrt(841) = \squrt(c^2)
29 = c