Steps for solving 3x + 18 = 54 are shown.
Explain how Step 1 helps solve the equation.
3x+18 = 54
3x + 18-18 = 54 -18
3x = 36
3x_36
33
X = 12
Original equation
Step 1
Step 2
Step 3
Step 4
) A. Adding 18 to both sides undoes the subtraction.
O
B. Adding 18 to both sides combines like terms.
O
C. Subtracting 18 from both sides isolates the variable term.
O
D. Subtracting 18 from both sides isolates the variable.