Solve for u
u\in \mathrm{R}
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12u+32\leq 12u+36
Use the distributive property to multiply 4 by 3u+8.
12u+32-12u\leq 36
Subtract 12u from both sides.
32\leq 36
Combine 12u and -12u to get 0.
u\in \mathrm{R}
This is true for any u.
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