# math questions how to solve equations with addition

PART 1

1) t + (-1.4) = 0

a. t = -1.4

b. t = 1.4

c. t = 2.8

d. t = -2.8

e. t = 0

f. t = -1

2) m + (-0.5) = -4.1

a. m = -4.6

b. m = 4.6

c. m = 8.2

d. m = -8.2

e. m = -3.6

f. m = 3.6

3) -14 – a = -21

a. a = -35

b. a = 35

c. a = 3/2

d. a = -3/2

e. a = -7

f. a = 7

4) -19 + n = -23

a. n = 42

b. n = -42

c. n = 4

d. n = -4

e. n = 23/19

f. n = -23/19

5) r – 6.5 = -9.3

a. r = -2.8

b. r = 2.8

c. r = 15.8

d. r = -15.8

e. r = 0.6

f. r = 1.8

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PART 2

13) r + (-11) = -21

a. r = 32

b. r = -32

c. r = 10

d. r = -10

e. r = 21/11

f. r = -11/21

14) -6 – p = -27

a. p = 21

b. p = -21

c. p = 33

d. p = -33

e. p = 27/6

f. p = -27/6

15) x + 4.2 = 1.5

a. x = 2.7

b. x = -2.7

c. x = 5.7

d. x = -5.7

e. x = 4.7

f. x = 3.7

16) k + 11 = -21

a. k = -32

b. k = -10

c. k = -20

d. k = 10

e. k = 32

17) a + 8 = -11

a. a = -3

b. a = 3

c. a = -88

d. a = 88

e. a = 19

f. a = -19

18) 14 + c = -5

a. c = -19

b. c = 19

c. c = -9

d. c = 9

e. c = -70

f. c = 70

19) k + (-5) = -11

a. k = 55

b. k = -55

c. k = 6

d. k = -6

e. k = 16

f. k = -16

20) -16 – k = -7

a. k = -23

b. k = 23

c. k = 7/16

d. k = -7/16

e. k = -9

f. k = 9

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