Answer:
y=−1
Explanation:
Step 1: Simplify both sides of the equation.
−2(2y−1)−y=7
(−2)(2y)+(−2)(−1)+−y=7(Distribute)
−4y+2+−y=7
(−4y+−y)+(2)=7(Combine Like Terms)
−5y+2=7
−5y+2=7
Step 2: Subtract 2 from both sides.
−5y+2−2=7−2
−5y=5
Step 3: Divide both sides by -5.
−5y−5=5−5
y=−1