Answer:
Dont think eh multiplied both sides by 4. That would be the first step.
Step-by-step explanation:
1/4(x+12)=2
multiply both sides by 4
x+12=8
move the 8 to the right side of the equation and change its sign
x=8-12
calculate
x= -4
Answer:
Lake Eyre is higher by 242 meters.
Step-by-step explanation:
Jericho = -258
Lake Eyre = -16
-258 - (-16) = -242
Use division: amount of money/cost of one cartridge=140/14=10
Answer:
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Step-by-step explanation:
Given
Direct Variation of T to 

Required
Determine T when d = 3
The variation can be represented as:

Convert to equation

; so we have:

Make k the subject:

To solve for T when d = 3.
Substitute 3 for d and
in 





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It’s (5,4) because you always start with the number on the x-axis