CrazyMan1 CrazyMan1

07-03-2017
Mathematics

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rarrininger rarrininger

07-03-2017

m<ABD + m<DBC = m<ABC

x + 38 + x + 122 = 136
add like terms (x +x) (38 + 122)

2x + 160 = 136
Subtract 160 from both sides
2x + 160 -160 = 136 -160

2x = -24
Divide both sides by 2

2x/2 = -24/2

x = -12

Check by taking -12 + 38 + -12 + 122 = 136
26 + 110= 136
136 = 136

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