What is the answer to 3x+5(-2.28)=-9 ?

The answer to 3x+5(-2.28)=-9 is x=0.8

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3x+5(-2.28)=-9

3 x + 5 (- 2.28) = - 9

x = 0.8

Solution steps

3 x + 5 (- 2.28) = - 9

Remove parentheses:

(- a) = - a

3 x - 5 \cdot 2.28 = - 9

Multiply the numbers:

5 \cdot 2.28 = 11.4

3 x - 11.4 = - 9

Move

11.4

to the right side

3 x = 2.4

Divide both sides by

3

x = 0.8

y, x + 7 y = 17

2 x + 9 - \frac{9}{2} = \frac{x + 7}{10}

3 x - (x - 19) = 2 x

y, 3 x + 2 y - 5 = 0

a, a + c = 0