3. Find the solution of the equation from the values of the variable given in the brackets
a. 7m = 21 (1, 2, 3, 4)
b. y - 11 = 9 (20,19,9, 11)
c. 3x + 1 = 7 (0, 2, 3, - 1)
d. 5x - 7 = 3 (1,-1,- 2,2)
e. Z + 1 = 0 (0, 1, 2, - 1)
f. 3p + 6 = 0 (2,- 2,3, - 3)
Answers
Answered by
2
Answer:
a. 3
b. y=20
c. x=2
d. x=2
e. z=-1
f. p=-2
Step-by-step explanation:
a. 7m=21
m=21/7
m=3
b. y-11=9
y=9+11
y=20
c. 3x+1=7
3x=7-1
3x=6
x=6/3
x=2
d. 5x-7=3
5x=7+3
5x=10
x=10/5
x=2
e. z+1=0
z=-1
f. 3p+6=0
3p=-6
p=-6/3
p=-2
Answered by
0
Answer:
3x+1=7(0,2,3,-1
Step-by-step explanation:
putx=0
3×0=7.0=7
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