Answer: y = -x + 4
Step-by-step explanation:
10x + 5y = 5x + 20
5y = -10x +5x +20
5y = -5x +20
y = -x +4
Using the algebraic principle, the value of y in the expression given is y = - x + 4
Given the expression :
Isolate 5y
5y = 5x - 10x + 20
5y = - 5x + 20
Divide both sides by 5
y = - x + 4
Therefore, the value of y in the expression is - x + 4
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