Solve the equation 3.5z-2.7z=-6

Mathematics

2 answers:

zysi [14]3 years ago

5 0

First you do 3.5z-2.7z= .8z then you divide .8 with -6, which gives you -7.5 so z= -7.5

svlad2 [7]3 years ago

3 0

Answer: The value of z is -0.75.

Step-by-step explanation:

The given equation is $3.5z-2.7z=-6$

In term to solve it to find z , we first simplify the left side.

By using distributive property : $ba+ca=(b+c)a$ , we get

$(3.5-2.7)z=-6\\\\\Rightarrow 0.8z=-6$

Now , Divide both sides by 0.8 , we will get

$z=\dfrac{-6}{0.8}=\dfrac{-60}{8}\\\\\Rightarrow\ z=-7.5$

Hence, the value of z is -0.75.

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