X2 = 64
take square root each side
X = 8
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x = 116. x + 64 = 180 is the same as x = 180 - 64, which equals 116.
x = 64 64 + 64 = 128
find x when, 2x=128 2x=128 /2 /2 x=128 /2 x=64 then check your answer by doing the following if x=64, then what is 2x? 2(64)=? or 2 * 64=? or 2 x 64=? 2 times 64 equals 128!
x + 30 = 64 Therefore, x = 64 - 30 x = 34
if 4x = 1/16then x = (1/16)/4so x = 1/64