Gomez found the mass of 3 rocks for a science project the first rock had a mass of 19.28 grams the second rock has a mass of 25.3 grams in the third rock had a mass of 46.3 grams how much greater was the mass of the third rock in the combined mass of the other two rocks

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:

the answer will be b x² +x-1

step-by-step explanation: