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6x +x = 26 -5
7x = 21
x = 3
HP = {3}
b. 2 -4x = 3
-4x = 3 -2
-4x = 1
x = -1/4
HP = { }
c. x -12 = 2x +36
x -2x = 36 +12
-x = 48
x = 48
HP = { }
d. -5x -4x +10 = 1
-9x = 1 -10
-9x = -9
x = 1
HP {1}
e. 2 +(x/4) = 5
x/4 = 5 -2
x/4 = 3
12 = x
x = 12
HP = {12}
Itu jawabannya.
7x = 21
x = 3
b. 2 - 4x = 3
- 4x = 1
x = -1/4
c. x - 12 = 2x + 36
- x = 48
x = -48
d. - 5x - 4x + 10 = 1
- 9x = -9
x = 1
e. 2 + (x/4) = 5
x/4 = 3
x = 12