Question

Срочно !!!!!1-а=130/300+90/300 помогите плиз

Answer 1

1-а=130/300+90/300

1-а=210/300

1-а=7/10

а=1-7/10

а=3/10

Answer 2

Solving the Equation

To solve the equation 1 - a = 130/300 + 90/300, we can start by simplifying the right-hand side of the equation.

First, we add the fractions on the right-hand side: 130/300 + 90/300 = 220/300

Now, we can simplify the fraction 220/300: 220/300 = 11/15

So, the equation becomes: 1 - a = 11/15

Finding the Value of 'a'

To find the value of 'a', we can isolate 'a' on one side of the equation. We can do this by subtracting 1 from both sides of the equation: 1 - 1 - a = 11/15 - 1 -a = 11/15 - 1 -a = 11/15 - 15/15 -a = -4/15

Finally, we can solve for 'a' by multiplying both sides of the equation by -1: a = 4/15

So, the value of 'a' that satisfies the equation 1 - a = 130/300 + 90/300 is 4/15.