WILL GIVE BRAINLIEST!! Solve It & Show Work 6. -18x - 2 = 6
7. 20x - 4 = -2
8. 2 (4x - 2) = -2
9. -2 (3x+4) = -2
10. - (x + 3) = -10
11. 20x -4 - 2x + 2 = -6
12.) -22x +4 -2x = -6

Can someone me and plz do the problem

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18

In a column proof the right column states your reasons