batobbudaev
batobbudaev
14-12-2020
Mathematics
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1. 11x + 13° + 4x + 17°=180°
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xobriyanaxo
xobriyanaxo
14-12-2020
First collect like terms
15x + 30=180
Move the constant to the right and change it’s sign
15x = 180 - 30
Collect like terms again
15x = 150
Divide both sides by 15
x = 10
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