(3-8y) x (-2.5)
= -7.5+20y
PEMDAS is the order of operations....it is the order u solve equations.
P = parenthesis....u solve what is in parenthesis first
E = exponents...u solve the exponents next
M = multiply , D = divide....starting from left and going right, u do all the multiplying and dividing
A = addition, S = subtraction...starting from left and going right, u do all the addition and subtraction
Perform the indicated operation.
-8 + (-4) = -12
Steps:
-8 + ( -4 )
Remove Parenthesis:
( -a ) = -a
-8 - 4
Subtract the numbers:
-8 - 4
= -12
Answer: -8 - 4 = -12
Hope that helps!!!! : )