Question

1. 15·(4,34-а)=44,7 2. 4х+5х=111,24

Answer 1

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Покрокове пояснення:

розв'язання завдання додаю

Answer 2

To solve the given equations:

1. 15(4.34 - а) = 44.7:

First, let's simplify the equation:

15 * 4.34 - 15а = 44.7

Now, solve for 'а':

65.1 - 15а = 44.7

Subtract 65.1 from both sides:

-15а = 44.7 - 65.1

-15а = -20.4

Divide both sides by -15 to isolate 'а':

а = (-20.4) / (-15)

а = 1.36

So, the solution to the equation is а = 1.36.

2. 4х + 5х = 111.24:

Combine the like terms on the left side of the equation:

9х = 111.24

Divide both sides by 9 to solve for 'х':

х = 111.24 / 9

х = 12.36

Therefore, the solution to the equation is х = 12.36.