Question Solve for the variable $b$ given the equation $b+a=20$ .

Studdy Solution

STEP 1

Assumptions
1. We have a linear equation in two variables $a$ and $b$ .
2. We are given that $b + a = 20$ .
3. We need to solve for the variable $b$ .

STEP 2

To solve for $b$ , we need to isolate $b$ on one side of the equation. We can do this by subtracting $a$ from both sides of the equation.
$b + a - a = 20 - a$

STEP 3

Simplify the equation by removing $a$ on the left side and writing the right side as a subtraction.
$b = 20 - a$
Now we have the value of $b$ in terms of $a$ .

STEP 4

The solution for $b$ in terms of $a$ is:
$b = 20 - a$

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