Steps for solving 3x + 18 = 54 are shown.
explain how step 1 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.