Question

0,3(x - 6) = 0,4(8 - x) - 7,1

Answer 1

0,3(x - 6) = 0,4(8 - x) - 7,1

Раскроем скобки

0.3x-1.8=3.2-0.4x-7.1

Далее переместим выражения с X в левую часть, без X - в правую.

0.3x+0.4x=3.2-7.1+1.8

0.7x=-2.1

x=(-2.1):0.7=(-21):7=-3

x=-3

Ответ: x=-3

Answer 2

0,3х-1,8=3,2-0,4х-7.1

0,3х-1,8=-3,9-0,4х

0,3х+0,4х=-3,9+1,8

0,7х=-2,1

х=-2,1:0,7

х=-3

Answer 3

To solve the equation 0.3(x - 6) = 0.4(8 - x) - 7.1, we will follow these steps:

Step 1: Distribute the constants on the right side of the equation: 0.3x - 1.8 = 3.2 - 0.4x - 7.1

Step 2: Combine like terms on both sides of the equation: 0.3x + 0.4x = 3.2 - 7.1 + 1.8 0.7x = -2.1 + 1.8 0.7x = -0.3

Step 3: Solve for x by dividing both sides by 0.7: x = -0.3 / 0.7 x ≈ -0.42857

So, the solution to the equation is approximately x = -0.42857.