Steps for solving 6x - 18 = 54 are shown.
explain how step 1 solve the equation.
6x - 18 = 54
6x -18 +18 = 54 +18
6x = 72
6x 72
66
x = 12
original equation
step 1
step 2
step 3
step 4
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a. adding 18 to both sides isolates the variable term.
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b. subtracting 18 from both sides combines like terms.
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c. adding 18 to both sides isolates the variable.
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d. subtracting 18 from both sides undoes the subtraction.