2 years ago

Solve this equation 3.5z – 2.7z = –6

Mathematics

2 answers:

vlada-n [284]2 years ago

6 0

Answer:

z=-7.5

Step-by-step explanation:

pishuonlain [190]2 years ago

4 0

Answer:

z = -7.5

Step-by-step explanation:

First you have to simplify the equation:

0.8z = -6

Then you have to isolate the z, and to do so you have to divide both sides by 0.8.

0.8/0.8z = -6/0.8

The answer then comes out to be z = -7.5

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One number is 9 more than 3 times another. If their difference is 29, what is the larger number?

vfiekz [6]

Answer:

Step-by-step explanation:

x-3y=9

x-y=29

subtract

-2y=-20

y=10

x-10=29

x=39

6 0

3 years ago

Read 2 more answers

A(4,-7) B(-2,1) find AB

Natali5045456 [20]

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