Find the sum. -15 +45 - 135 + 1215

Q: 125 3 64

A: Here given as K=125643

Q: Find the sum of - 9, 12, and - 5.

A: We need to evaluate the sum of the following numbers -9, 12, and -5

Q: B. Find the sum 7 2 7² 1 2 + 73 74 +.

A: The given sum 17+272+173+274+...... We have to find the sum.

Q: Add +. Also add the mixed numbers 5 + 3.

A:

Q: 103+53−1

A: Simplifying above equation we get ;

Q: x + 12 + x = 48

A: Solution

Q: Calculate 1+2+3+...+500 by finding and evaluating another expression that equals this sum. Explain…

A: Solve the following

Q: + + 6 13 8 + II II

A:

Q: 8*2(2+2)

A: To simplify the expression, the PEMDAS rule is used.PEMDAS stands for Parenthesis, Exponents,…

Q: 2a*5b

A: Here we have given a polynomial and we have to simplify it. Let we have y = 2a*5b Now we simplify…

Q: 19+ 10 5.

A: Topic = Complex number

Q: 1+2*5

A:

Q: ++ V. -12

A: For the solution of the problem follow the next step.

Q: 856 + 27

A:

Q: 7+(8+2) = (7+8)+2

A: Verify: 7+8+2=7+8+2   Operation addition is associative that is: a+b+c=a+b+c. Therefore, 7+8+2=7+8+2…

Q: 1+1 52+592

A:

Q: 47z Find /47e

A:

Q: What is -38+n=6

A: The solution is written in step2.

Q: 4 Find mLABE. E (x + 14)* (3x-8) to

A: Given that angle ABE = (3X - 8)° Angle EBD = (X + 14)° and angle DBC = 90°

Q: 20+(-4)(-5)

A: The calculation for 20+(-4)(-5) is presented as follows:

Q: 10* 10 + c

A:

Q: Find the sum of -6 +1 +8+ 15 + +141

A:

Q: 31+19-8

A:

Q: Find 1 3 2 + 9 4 + (−1)26 226 326

A:

Q: 72÷150

A:

Q: 543+3853

A: Let assume that a = 543 b = 3853 The formula for calculating the addition of two numbers is,

Q: 3,-18,108,-648,

A:

Q: Find 1 -+ 16 25 +(-1)28 48 528

A: The detailed solution is as follows below:

Q: 12s+38s+23n+56n

A: Addition

Q: 125=(5u+8)2

A: Consider the given equation

Q: 58+50

A: Please see the below answer.

Q: How is 10 and -10 similar

A:

Q: 50 Isls²+25+4

A:

Q: 8 + 7(42 - 3)

A: 8 + 7(42 - 3) = ?

Q: 8n-7=-151

A: Given 8n-7 = - 151 8n = - 151 + 7 8n = - 144 n = - 18

Q: 50+11+37+89

A: the given expression 50+11+37+89