Question

5x + 3 = 7x – 1
5x + 2(x + 7) = 14x – 7
12t – 10 = 14t + 2
5(z + 1) = 3(z + 2) + 11 Solve for Z

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

5x + 3 = 7x – 1

5x-7x=-3-1

-2x=-4

x=-4/-2

x=2

5x + 2(x + 7) = 14x – 7

5x+2x+14=14x-7

7x+14=14x-7

14+7=14x-7x

21=7x

x=21/7

x=3

12t – 10 = 14t + 2

12t-14t=10+2

-2t=12

t=12/-2

t=-6

5(z + 1) = 3(z + 2) + 11

5z+5=3z+6+11

5z-3z=17-5

2z=12

z=12/2

z=6