Use the four-step procedure to solve the following problem. How much water must be added to a gallon of 10% saline solution to create a 2% solution? 1. There is 1 gallon of % solution. 2. There is % saline in water. 3. The equation is . 4. The answer is gallons.

let's solve your equation step-by-step.

4x+2=2x+12

step 1: subtract 2x from both sides.

4x+2−2x=2x+12−2x

2x+2=12

step 2: subtract 2 from both sides.

2x+2−2=12−2

2x=10

step 3: divide both sides by 2.

2x

2

=

10

2

x=5

step-by-step explanation:

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