A. 1
Step-by-step explanation:
2(1 + x) = x + 3
2 + 2x = x + 3
2x - x = 3 - 2
x = 1
phosphate, calcium ion, chloride ion, neon atom
step-by-step explanation:
step-by-step explanation: the answer for wha if rt is 10 centimeters long, and wha is st? it’s 6