Question

АА ПОМОГИТЕ токо пожалуйста розписуйте 1) (х-385 ) +269 =475 2) 951-(х - 354)=882 3)(42а + 15в -25с )* 14 звездочка это если что умножыть 4) 69n -n- 18 5) 417* 187+417* 213 6) 53 y + 18 - 24y

Answer 1

Ответ:

1)541

2)423

Пошаговое объяснение:

1)x-385+269=425

x=425+269+385

x=541

2)951-(x-354)=882

951-x+354=882

x=951+354-882

x=423

Answer 2

1) To solve the equation (х-385) + 269 = 475, we can start by isolating the variable х.

First, let's subtract 269 from both sides of the equation: (х-385) + 269 - 269 = 475 - 269 х - 385 = 206

Next, we can add 385 to both sides of the equation to isolate the variable х: (х - 385) + 385 = 206 + 385 х = 591

Therefore, the solution to the equation (х-385) + 269 = 475 is х = 591.

2) To solve the equation 951 - (х + 354) = 882, we can follow a similar process.

First, let's simplify the equation by removing the parentheses: 951 - х - 354 = 882

Next, let's combine like terms by subtracting 951 and 354 from both sides of the equation: 951 - х - 354 - 951 - 354 = 882 - 951 - 354 -х = -423

To solve for х, we can multiply both sides of the equation by -1 to get a positive coefficient for х: -х * (-1) = -423 * (-1) х = 423

Therefore, the solution to the equation 951 - (х + 354) = 882 is х = 423.

3) To simplify the expression (42а + 15в - 25с) * 14, we can distribute the multiplication:

(42а + 15в - 25с) * 14 = 14 * 42а + 14 * 15в - 14 * 25с = 588а + 210в - 350с

Therefore, the simplified expression is 588а + 210в - 350с.

4) To simplify the expression 69n - n - 18, we can combine like terms:

69n - n - 18 = (69 - 1)n - 18 = 68n - 18

Therefore, the simplified expression is 68n - 18.

5) To calculate the expression 417 * 187 + 417 * 213, we can use the distributive property:

417 * 187 + 417 * 213 = 417 * (187 + 213) = 417 * 400 = 166,800

Therefore, the value of the expression 417 * 187 + 417 * 213 is 166,800.

6) To simplify the expression 53 + y + 18 - 24y, we can combine like terms:

53 + y + 18 - 24y = (1 - 24)y + (53 + 18) = -23y + 71

Therefore, the simplified expression is -23y + 71.