Question

(3-х) -11 =7 (2х-5); -8(7х-6у)+(67х-48у);

Answer 1

(3-х) -11 =7 (2х-5)
3-х-11=14х-35
-х-14х=11-3-35
-15х=-27
Х=-27:(-15(
Х=1,08

-8(7х-6у)+(67х-48у)=-56х+48у+67х-48у=11х

Answer 2

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Answer 3

Let's solve each expression step-by-step:

1. (3x - 11) = 7(2x - 5)

To solve for x, we'll first distribute the 7 on the right side:

3x - 11 = 14x - 35

Now, let's get all the x terms on one side and the constant terms on the other side:

3x - 14x = -35 + 11 -11x = -24

Now, divide both sides by -11 to solve for x:

x = -24 / -11 x = 24/11 x ≈ 2.182

2. -8(7x - 6y) + (67x - 48y)

To simplify this expression, distribute the -8:

-8 * 7x = -56x -8 * (-6y) = 48y

The expression now becomes:

-56x + (67x - 48y)

Combine the x terms:

67x - 56x = 11x

The final simplified expression is:

11x - 48y

So, the result is 11x - 48y.