Question Solve the equation x=−81Alternative Form x=−0.125 Evaluate 4x−2=2x×10Multiply the terms 4x−2=20xMove the variable to the left side 4x−2−20x=0Subtract the terms More Steps Evaluate 4x−20xCollect like terms by calculating the sum or difference of their coefficients (4−20)xSubtract the numbers −16x −16x−2=0Move the constant to the right side −16x=0+2Removing 0 doesn't change the value,so remove it from the expression −16x=2Change the signs on both sides of the equation 16x=−2Divide both sides 1616x=16−2Divide the numbers x=16−2Solution More Steps Evaluate 16−2Cancel out the common factor 2 8−1Use b−a=−ba=−ba to rewrite the fraction −81 x=−81Alternative Form x=−0.125 Show Solution Rewrite the equation 8x=−1 Evaluate 4x−2=2x×10Evaluate 4x−2=20xMove the variable to the left side −16x−2=0Move the constant to the right side −16x=2Multiply both sides 16x=−2Solution 8x=−1 Show Solution Graph