Answer:
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Step-by-step explanation:

Divide both sides of the equation by 3

Write 7x as a difference

Factor out 3x from the expression

Factor out -4 from the expression

Factor out 2x + 5 from the expression

When the product of factors equals 0 , at least one factor is 0


Solve the equation for X

Move constant to R.H.S and change its sign

Calculate the difference

Divide both sides of the equation by 2

Calculate

Again,

Move constant to RHS and change its sign

Calculate the sum

divide both sides of the equation by 3

Calculate

Hope this helps..
Best regards!!
Answer:
y =

x + 4
Explanation:
The equation of the lone has a general formula:
y = mx + c
where:
m is the slope of the line = 1/6
c is the y-intercept = 4
Substitute with the givens in the above formula to get the equation as follows:
y = mx + c
y =

x + 4
Hope this helps :)
Answer:
Step-by-step explanation:
Check the attachment
Answer:
The first choice
Step-by-step explanation:
Answer: +80°C or -20°C
Step-by-step explanation:
This is the answer because if you add 80 then it will equal 100°C and freeze and if 20°C is taken away it will equal 0°C and freeze.