Respuesta :
Answer:
1
Step-by-step explanation:
7 + 2x = 9
Carry over the 7 to the 9.
2x = 9-7
2x= 2
x = 2÷2
x = 1
Answer: x = 1
Step-by-step explanation:
Step 1: Simplify both sides of the equation.
2x+7=9
Step 2: Subtract 7 from both sides.
2x+7−7=9−7
2x=2
Step 3: Divide both sides by 2.
2x/2 = 2/2 = 1
