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Nutka1998 [239]
3 years ago
8

Solve for z: 2+3(z-3) = z+3z+6z

Mathematics
2 answers:
makkiz [27]3 years ago
7 0

Answer:

z=-1

Step-by-step explanation:

2+3(z-3)=z+3z+6z

2+3z-9=z+3z+6z

2+3z-9=10z

2-9=10z-3z

<u>-7</u>=<u>7</u><u>z</u>

7 7

z=-1

Proof:

2+3(z-3)=z+3z+6z

2+3(-1-3)=-1+(-3)+(-6)

2+3(-4)=-1-3-6

2-12=-10

-10=-10

Mademuasel [1]3 years ago
6 0

Steps to solve:

2 + 3(z - 3) = z + 3z + 6z

~Distribute left side and simplify right side

2 + 3z - 9 = 10z

~Simplify left side

3z - 7 = 10z

~Subtract 3z to both sides

-7 = 7z

~Divide 7 to both sides

-1 = z

Best of Luck!

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