(a-b+c+d) + (a-c+b+d)
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(a-b+c+d) + (a-c+b+d)
= a - b + c + d + a - c + b + d
= 2a + 2d
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Step-by-step explanation:
your answer is here !
a-b+c+d + a-c+b+d
2a+2d
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