What is the solution to the linear equation? d – 10 – 2d + 7 = 8 + d – 10 – 3d ?
Options:
a) d = –5
b) d = –1
c) d = 1
d) d = 5
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The correct answer is c) d = 1
Solution:
d – 10 – 2d + 7 = 8 + d – 10 – 3d
d-2d-d+3d = 8-10+10-7
d = 1
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