(2+-3+-1)(2--3--1)
2350067.6667
189570.9822
98405327258
.6489
19681065451
.7298
44000744263
.5121
20.23/x=x/92
1+1
Solve the inequality in terms of intervals and illustrate the solution set on the real number line. 13. 2x + 7 > 3
2168713.3333
144616.1821
(1+3/4c)(4/3c)
(2+(-3)+(-1)(2-(-3)-(-1)
A = \begin{bmatrix} 4 & 6 & -6\\ 0 & 7 & -2\\ 0 & 0 & 9 \end{bmatrix},
-2(5-8) + 3/2