Question

7x + 3 3
- 4
+
SX
x2 - 16
X​

Answer 1

Explicación paso a paso:

7(×+-3)-3(×-2)=16-(2×-3)

7x+21-3x+6=16-2x+3

7x-3x+21+6=-2x+16+3

4x+27=2x+19

4x+2x=19-2

6x=-8

x=-8/6x=4/3

x=-4/3