Question

Solve:negative 1 over 2x + 2 = −x + 7
a. 10
b. 5 over 2
c. 2 over 5
d. 20

Answer 1

`-(1)/(2)x+2=-x+7\ \ \ \ |subtract\ 2\ from\ both\ sides\\\\-(1)/(2)x=-x+5\ \ \ \ |add\ x\ to\ both\ sides\\\\(1)/(2)x=5\ \ \ \ |multiply\ both\ sides\ by\ 2\\\\\boxed{x=10\to\fbox{a.}}`