Step 1 : Let's solve the equation:
4 (2r - 1) = -2 (3r + 16)
8r - 4 = -6r -32
Like terms:
8r + 6r = -32 + 4
14r = -28
Dividing by 14 at both sides:
14r/14 = -28/14
r = -2
The equation has only one solution
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