26-21•4

To solve the expression \( 26 - 21 \cdot 4 \), we need to follow the order of operations (PEMDAS/BODMAS):

1. Multiply: First, calculate \( 21 \cdot 4 \). \[ 21 \cdot 4 = 84 \]

2. Subtract: Now, subtract that result from 26. \[ 26 - 84 = -58 \]

Thus, the final answer is \( -58 \).