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2
kedua ruas dikali 2
2x + 1 -5 = 10x - 6x
2x-4=4x
-2x=4
x=-2
1. 3x-2 = 4
⇔3x-2+2 = 4+2
⇔3x = 6
⇔3x/3 = 6/3
⇔x = 3
2. x+6 = 13
⇔ x +6 - 6 = 13 - 6
⇔ x = 7
smoga dpt membantu