What is the answer to 12x-4x=-25-21 ?

The answer to 12x-4x=-25-21 is x=-23/4

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12x-4x=-25-21

12 x - 4 x = - 25 - 21

x = - \frac{23}{4}

Decimal Notation

x = - 5.75

Solution steps

12 x - 4 x = - 25 - 21

Add similar elements:

12 x - 4 x = 8 x

8 x = - 25 - 21

Subtract the numbers:

- 25 - 21 = - 46

8 x = - 46

Divide both sides by

8

x = - \frac{23}{4}

x^{3} - 7 x^{2} + 15 x - 9

m^{2} - 13 m - 30

(3 - x) \cdot 10 + x \cdot 20 = 0

x^{2} + 2 x - 23 = 0

∣ x + 7 ∣ + 5 \leq 7