Evaluate 4b-a when a=12 and b=7

remain calm it will come to you

Step-by-step explanation:

4b - a = 15

Step-by-step explanation:

if you replace the variables with their equivalent counterparts you get the equation 4(7) - 12 = __ when you do the math make sure to do the parentheses first then subtract, just like in elementary school remember pemdas parentheses, exponents, multiplication, division, addition, subtraction. I hope this helps.

good luck:)

Brainlies Pl:)

step-by-step explanation:

add 8+12 to get a simplified answer of 12r-20