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7nadin3 [17]
3 years ago
5

Mixed Practice

Mathematics
2 answers:
ElenaW [278]3 years ago
7 0
A. x=-2
b. y=77
c. s=7
d. m=20
e. z=0
f. x=1
g. s=100
h. x=16
I. x=-21
j. x=500
k. y=330
l. t=2
m. t=17
n. q=16
o. t=1.6
maria [59]3 years ago
6 0

a.

x + 9 = 7

x = 7 - 9

x = - 2

b.

23 - y = 44

- y = 44 - 23

- y = 21

y = - 21

c.

s + 19 = 26

s = 26 - 19

s = 7

d.

m - 40 = 20

m = 20 + 40

m = 60

e.

z + 100 = 100

z = 100 - 100

z = 0

f.

x + 22 = 23

x = 23 - 22

x = 1

g.

s - 4 = 96

s = 96 + 4

s = 100

h.

1/4x = 4

x = 4 / 1/4

x = 4 * 4/1

x = 16

i.

24x = 3

x = 3/24

x = 1/8

j.

1/10x = 50

x = 50 * 10/1

x = 500

k.

1/11y = 33

y = 33 * 11/1

y = 363

l.

t + 14 = 16

t = 16 - 14

t = 2

m.

t - 1 = 16

t = 16 + 1

t = 17

n.

1/2q = 8

q = 8 * 2/1

q = 16

o.

15t = 24

t = 24/15

t = 8/5

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