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earnstyle [38]
4 years ago
7

HELP I NEED THESE ANSWERED!!!

Mathematics
1 answer:
levacccp [35]4 years ago
5 0

1) b=1

-3+1=3b-5

Add 3b to both sides.

1=6b-5

Add 5 to both sides

6=6b

Divide both sides by 6

b=1

2) t=11

(1/2)t+7=(3/2)t-4

Subtract 1/2t from both sides.

7=t-4

Add 4 to both sides.

t=11

3) x=-0.878

-2.3 +1.2x=5.9-2.9x

Subtract 1.2x from both sides

-2.3=5.9-4.1x

Add 5.9 to both sides.

3.6=-4.1x

Divide by -4.1

x=-0.878

4)No solution

-7y-21=-3y-21

Add 3y to both sides.

-4y-21=-21

Add 21 to both sides

-4y=0



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