Question Solve the equation x=30 Evaluate 2138−x=54Cross multiply 138−x=2×54Simplify the equation 138−x=108Move the constant to the right side −x=108−138Subtract the numbers −x=−30Solution x=30 Show Solution Rewrite the equation x=30 Evaluate 2138−x=54Reduce the fraction 69−21x=54Multiply both sides of the equation by LCD 138−x=108Move the constant to the right side −x=−30Solution x=30 Show Solution Graph