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Question

Solve this simultaneous equations by substitution:
1) a = 4b + 1
a = 3b - 1
6 years ago

Answers

Damon
if a = (4b+1)
then second equation becomes
(4b+1) = 3b-1
1 b = -2
b = -2
then
a = -6-1 = -7
6 years ago

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