To solve for y, we will isolate the y variable.
Starting with the equation 10x + 5y = -20, we can start isolating y by subtracting 10x from both sides:
5y = -20 - 10x
Next, we can divide both sides of the equation by 5 to solve for y:
y = (-20 - 10x)/5
Simplifying further:
y = -4 - 2x
Solve for y
10x+5y=-20
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