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---------------------- (dikali 10)
2x-2 = 5(x-1)
2x-2 = 5x-5
2x-5x = -5 + 2
-3x = -3
x = -3/-3
x = 1
semoga membantu(:
1/5x-1,5=x
x-7,5=5x
4x=-7,5
x=-7,5÷4
x=1,875