7 − y − y = − 1 7 − 2 y = − 1 ∣ s u b t r a c t 7 f ro m b o t h s i d es − 2 y = − 8 ∣ d i v i d e b o t h s i d es b y ( − 2 ) y = 4
Y is equal to 4
7-4-4 = -1
The solution to the equation 7 − y − y = − 1 is y = 4 . This was found by combining like terms, isolating the variable, and dividing. We ensured each step maintained equality to find the value of y .
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