Suppose that Eldi has x years old now :
x + 4 = 3 × ( x - 10 )
x + 4 = 3x - 30
Add both sides 30
x + 4 + 30 = 3x - 30 + 30
x + 34 = 3x
Subtract both sides x
x - x + 34 = 3x - x
34 = 2x
2x = 34
Divide both sides by 2
2x ÷ 2 =34 ÷ 2
x = 17
_____________________________
Thus Eldi is 17 .
Hey there!
<h2>
ANSWER: </h2>
Non linear
<h2>
EXPLANATION:</h2>
Is
linear or non-linear.
Since x has an exponent value that is equal to 2, it's non-linear. So that means
is non-linear.
Hope this helps!

Answer:jai can bake 42 cakes in a week
Step-by-step explanation: