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What is negative 20 plus positive 13?
-20 + 13 = -7
What is equal to the expression of 13 x 15 plus 13 x 7?
13 x (15 + 7) ie 13 x 22 = 286 or 13 x 15 = 195, 13 x 7 = 91, 195 + 91 = 286
Does x plus y equals 13 if x if x is 6 and y is 7?
yes.
-2x-7 equals -x plus 13?
you need to reorder the problem by manipulating the numbers -2x-7=-x+13 group your variables and constants thus -x-2x=7+13 simplify -3x=20 simplify again x=-20/3
What is the value of 7 plus 2 times 3 minus 5 times 2?
well... order of operations... says 7 + (2x3) - (5x2) which is 7 + 6 - 10 simplified as 13 - 10
What is r2 plus 6r-7 quadratically factorized?
r2+6r-7 = (r+7)(r-1) when factored
How do i solve -3r 3r-6(7 7r)-7(4-7r)?
how do i solve -3r+3r=-6(7+7r)-7(4-7r)
What is the answer for -6r-5 equals 7-12r?
-6r-5 = 7-12r 12r-6r = 7+5 6r = 12 r = 2
What does 7r plus 8 mean?
7 times some other unknown number then add 8
What is 7R plus 84 in factored form?
7(r-12) A 7 is taken out because it is a common factor to both terms.
What is the product of seven and the total of r and 8?
7 × (r + 8) = 7(r + 8) = 7r + 56
What is 100-7r equals 44?
100 - 7r = 44 Subtract 100 from both sides: -7r = -56 Divide both sides by -7: r = 8
What does r equal in negative 6r minus 5 equals 7 minus 12r?
- 6r - 5 = 7 - 12r add 12r to both sides 12r - 6r - 5 = 7 - 12r + 12r 6r - 5 = 7 add 5 to both sides 6r - 5 + 5 = 7 + 5 6r = 12 divide both side integers by 6 r = 2 ---------- check in original equation -6(2) - 5 = 7 - 12(2) - 12 - 5 = 7 - 24 - 17 = - 17 checks
13 plus 7 equals 13 plus 7?
yes it is
What is 13 plus 23 plus 12 plus 7?
13 + 23 + 12 + 7 = 55
What is 13 plus 21 - 7 plus 12?
13 + 21 - 7 + 12 = 15
6 plus 13 plus 2 plus 12 plus 7 plus 14?
6 + 13 + 2 + 12 + 7 + 14 = 54
