reminder Replace the variable with the replacement value and solve as usual. Evaluate 2x - 20 if x = 3. -14 Evaluate 8x - 2y + z if x = 5, y = 2, and z = -3. 33 attention rectangle Uh oh! Watch out for that exponent! prompt 460 10 Pause the video and try this one in your study guide. prompt 460 10 Pause the video and try this one in your study guide. reminder Remember: parentheses, exponents, multiply and divide, then add and subtract