Question

4)- (1-2x+4)-8=16

$\leqslant$

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Answer 1

Am atasat o poza, Succes ! =)

Answer 2

Salut!

$- (1 - 2 \times x + 4) - 8 = 16 \\ - (5 - 2 \times x) - 8 = 16 \\ - 5 + 2 \times x - 8 = 16 \\ - 13 + 2 \times x = 16 \\ 2 \times x = 16 + 13 \\ 2 \times x = 29 \\ x = \frac{29}{2}$