taliyahb1
taliyahb1
10-05-2018
Mathematics
contestada
Someone please help me?
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musiclover10045
musiclover10045
10-05-2018
EB * AE = DE *EF
x+3 *3 = 6*x-2
simplify:
3x+9 = 6x-12
subtract 3x from each side
9 = 3x -12
add 12 to each side
21 = 3x
divide both sides by 3
x = 21/3
x = 7
replace x with 7 to find EB
EB = 7+3 = 10 cm
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