Question

0,2(t−4)=−(−0,7t)−(0,8+0,5t)​

Answer 1

Ответ:

0,2(t-4)=-(-0,7t)-(0,8+0,5t)

0,2t-0,8=0,7t-0,8+0,5t

0,2t-0,8-0,7t+0,8-0,5t=0

-0,5t-0,5t=0

-1t=0

t=0

Answer 2

To solve the equation 0.2(t - 4) = -(-0.7t) - (0.8 + 0.5t), follow these steps:

Step 1: Distribute the negative sign on the right side of the equation:

0.2(t - 4) = 0.7t - (0.8 + 0.5t)

Step 2: Distribute the 0.2 on the left side of the equation:

0.2t - 0.8 = 0.7t - (0.8 + 0.5t)

Step 3: Now, let's isolate the variable t. First, move the terms with t to the left side of the equation by subtracting 0.7t from both sides:

0.2t - 0.7t - 0.8 = -0.5t

Step 4: Combine like terms on both sides of the equation:

(0.2t - 0.7t) - 0.8 = -0.5t

-0.5t - 0.8 = -0.5t

Step 5: Now, we can see that we have -0.5t on both sides of the equation. To isolate t, we can add 0.5t to both sides:

-0.8 = 0

However, -0.8 is not equal to 0, so this equation has no solution. In other words, there is no value of t that will satisfy the equation.