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Equations
4x -2 = 9
4x = 2 + 9
4x = 11
x = 11/4
-x+3 = 4
-x = -3 +4
-x = 1
x = -1
-4 (x+1) = -12
-4x -4= -12
-4x = 4 -12
-4x = -8
x = -8/4 = -2
1/3 x 1/7 = 1
1/3x = -1/7 +1
1/3x = -1/7 +7/7
1/3x = 6/7
x = -1/3 +6/7
x = -7/21 +18/21
x = 11/21
4x -2 = 9
4x = 2 + 9
4x = 11
x = 11/4
-x+3 = 4
-x = -3 +4
-x = 1
x = -1
-4 (x+1) = -12
-4x -4= -12
-4x = 4 -12
-4x = -8
x = -8/4 = -2
1/3 x 1/7 = 1
1/3x = -1/7 +1
1/3x = -1/7 +7/7
1/3x = 6/7
x = -1/3 +6/7
x = -7/21 +18/21
x = 11/21