3p - 16 < 20
Add 16 to each side:
3p < 36
Divide each side by 3:
p < 12
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if n is your number, then 3n - 5 = 16, ie 3n = 21 ie n = 7.
Yes
To start with, it is not an equation - there is no equality sign. You need 2 independent equations to solve when you have two unknowns, x and y.
h = 63
To solve this equation:set it out as: x-16 = 14add 16 to both sides, so that x is left on its own: x = 16 + 14answer: x = 30