Jawaban:
a + b = 180
a - b = 95
_________ +
2a = 275
a = 137,5
b = 42,5
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Jawaban:
a + b = 180
a - b = 95
_________ +
2a = 275
a = 137,5
b = 42,5
x-y=95 x-(-x)=95+180
x-y=95----------------------------x-(-x)=95+180
-------------------------------------2x=275
---------------------------------------x=137,5