Question

3(x+4)-27+1=28
cat este rezultatul ???????????

Answer 1

$3*(x+4)-27+1=28 \\ 3x+3*4-27+1=28 \\ 3x+12-27+1=28 \\ 3x-15+1=28 \\ 3x-14=28 \\ 3x=28+14 \\ 3x=42 \\ x=42:3 \\ x=\boxed{14}$

Answer 2

$\displaystyle 3(x+4)-27+1=28 \\ 3x+12-27+1=28 \\ 3x=28-12+27-1 \\ 3x=42 \\ x= \frac{42}{3} \\ x=14$