Question

The value x = 3 is a solution to each of the following except which?

(1) 4x-1=2x +5
(3) 5x +4<19
(2) 2x-8 (4) (x+1)(x-3)=0

Answer 1

`x \: is \: not \: a \: solution \: in \to \: 5x + 4 < 19. \\`

Explanation:

`\: if \: x = 3 \: then \\ 4x-1=2x +5 \: is \: same \: as \to \: \\ 4(3) - 1 = 2(3) + 5\\ 12 - 1 = 6 + 5 \\ 11 =11 \to \: \\ \boxed{ x \: is \:a \: solution \: here} \\ \\ if \: x = 3 \\ then \to \\ 5x + 4 < 19\: is \: same \:as \to \\ 5(3) + 4 < 19 \\ 15 + 4 < 19 \\ 19 \: is \: equal \: to \: 19 : \\ 19 \: can \: not \: be \: less \: than \: 19 \\ \boxed{ henc e\: x \: is \: not \: a \: solution \: here}`

♨Rage♨