Solve the following addition, subtraction, and multiplication problems:

Question

ScanSolve AI Tutor · Accepted Answer

Here are the solutions to the problems.

Question 2: Find the solutions to the following:

a)

Perform the operations from left to right.
$(12) + (-8) + (3) = 12 - 8 + 3$
Simplify.
$4 + 3 = 7$
The solution is $\boxed{7}$ .

b)
Perform the operations from left to right.
$(8) - (5) + (25) = 8 - 5 + 25$
Simplify.
$3 + 25 = 28$
The solution is $\boxed{28}$ .

c)
Perform the operations from left to right.
$(-30) - (+8) - (-4) = -30 - 8 + 4$
Simplify.
$-38 + 4 = -34$
The solution is $\boxed{-34}$ .

d)
Perform the operations from left to right.
$(145) + (-47) - (28) = 145 - 47 - 28$
Simplify.
$98 - 28 = 70$
The solution is $\boxed{70}$ .

Question 3: Solve the following multiplication problems:

a)
Multiply the numbers from left to right.
$(6) \times (-2) \times (9) = -12 \times 9$
Simplify.
$-108$
The product is $\boxed{-108}$ .

b)
Multiply the numbers from left to right.
$(-4) \times (-12) \times (-7) = (48) \times (-7)$
Simplify.
$-336$
The product is $\boxed{-336}$ .

Step-by-step solution