Question

3(77/2-5/2y)+7y=111 the answer should be 9 but i don’t know the steps to get to it

Answer 1

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