Steps for solving 6x - 18 = 54 are shown. Explain how Step 1 helps solve the equation.

A. Subtracting 18 from both sides undoes the subtraction.
B. Adding 18 to both sides isolates the variable term.
C. Adding 18 to both sides isolates the variable.
D. Subtracting 18 from both sides combines like terms.

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Steps for solving 6x 18 54 are shown Explain how Step 1 helps solve the equation A Subtracting 18 from both sides undoes the subtraction B Adding 18 to both sid class=