(-x + y) + .... = (x + y)
Yang harus ditambah
= (x + y) - (-x + y)
= x + y + x - y
= 2x
.
Maka, harus menambah 2x
@BeruangGemoy :•
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Verified answer
(-x + y) + .... = (x + y)
Yang harus ditambah
= (x + y) - (-x + y)
= x + y + x - y
= 2x
.
Maka, harus menambah 2x
@BeruangGemoy :•