Mathematics, 08.04.2021 18:50, krystalScott17

Enter the value of x so that the expression (2.1b - 0.7) + (xb + 3.4) is equivalent to -3.9b + 2.7.

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Enter the value of x so that the expression (2.1b - 0.7) + (xb + 3.4) is equivalent to -3.9b + 2.7....