9+2-(10x+2)
Does the - before the parenthesis change the sign of the numbers inside of the parentheis?
ie. Does 10x become -10x and does +2 become -2?
Thanks!
+2 -10
9+2-(10x+2) = 9 + 2 - 10x -2
I hope this helps.
Yes, the minus sign before the parenthesis does change the sign of the numbers inside the parenthesis. In this case, the 10x inside the parenthesis would become -10x, and the +2 inside the parenthesis would become -2.
To solve the expression 9+2-(10x+2), you can use the order of operations, which states that you should perform operations inside parentheses first, then any exponentiation, followed by multiplication and division from left to right, and finally addition and subtraction from left to right.
Let's break it down step by step:
Step 1: Simplify the expression inside the parenthesis:
The expression inside the parenthesis is 10x+2. Since there is no operation between 10x and +2, we can simply write it as 10x+2.
Step 2: Distribute the negative sign to the terms inside the parenthesis:
The negative sign outside the parenthesis should be distributed to both 10x and +2, changing their signs. Therefore, the expression becomes -10x-2.
Step 3: Substitute the simplified expression back into the original expression:
Now, we can substitute the simplified expression -10x-2 back into the original expression 9+2-(10x+2):
9 + 2 - (10x+2) = 9 + 2 - ( -10x - 2)
Step 4: Perform addition and subtraction:
In this case, we have 9 + 2 which equals 11, and -2 minus -2 which equals 0.
Therefore, the final simplified expression is:
11 - (-10x) - 0 = 11 + 10x