First you had to add by seven from both sides of equation form.

Then simplify by equation.

Next, you multiply by two from both sides of equation form.

And finally, simplify by equation.





Final answer: 
Hope this helps!
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-Charlie
n a science experiment, farah mixed a salt solution and
vinegar in the ratio 3 : 7.
A.) if she used 262.8 milliliters of salt solution, the
amount of vinegar is equal to:
X = 262.8 ml ( 7 ml vinegar/ 3 ml salt soln)
X = 613.2 ml vinergar
B.) y = 0.56 L vinegar ( 3 L salt soln/ 7 L vinegar)
Y = 0.24 L salt soln
Nicole sells 36 cupcakes for $ 2 each: 36 × 2 = 36(2) : B
Mikko divides his 8 - hour - long camp into 4 sessions of equal length: 8 ÷ 4 : C
Curtis has $ 36 and spends $ 2 : 36 - 2 : D
Darla shares 4 pounds of trail mix equally among 8 people : 4 ÷ 8 : A
Ab×(a+2b-c)
1] ab×a+ab×2b-ab<span>×c
2] </span>

b+ab×2b-ab<span>×c
3] a</span>²b+ab×2b-ab<span>×c
4] a</span>²b+

×2-ab<span>×c
5] a</span>²b+ab²×2-ab<span>×c
6] a</span>²b+2ab²-ab<span>×c
Answer= a</span>²b+2ab²-abc
Answer:
the answer is 69
Step-by-step explanation:
you find the square root of 4761