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Answer:
see below
Step-by-step explanation:
Let's solve your equation step-by-step.
3(
77
2
−
5
2
y)+7y=111
Step 1: Simplify both sides of the equation.
3(
77
2
−
5
2
y)+7y=111
(3)(
77
2
)+(3)(
−5
2
y)+7y=111(Distribute)
231
2
+
−15
2
y+7y=111
(
−15
2
y+7y)+(
231
2
)=111(Combine Like Terms)
−1
2
y+
231
2
=111
−1
2
y+
231
2
=111
Step 2: Subtract 231/2 from both sides.
−1
2
y+
231
2
−
231
2
=111−
231
2
−1
2
y=
−9
2
Step 3: Multiply both sides by 2/(-1).
(
2
−1
)*(
−1
2
y)=(
2
−1
)*(
−9
2
)
y=9
Answer:
y=9