Solve the following equations:
( 1. 7x - 5=22
2. 5x – 12 = 2x - 6
3. 7p - 3 = 3p + 8
4. 8m +9 = 7m +8
5. 7z+13 = 2z +4
6. 9y+5=15y– 1
7. 3x+4= 5 (x-2)
8. 3 (t-3) = 5 (2t - 1)please
Answers
Answered by
4
Answer:
hi
Step-by-step explanation:
a. 7x-5=22
7x=22+5
7x=27
x=27/7
b. 5x-12=2x-6
-12+6=6x-5x
-6=x
all r done in this manner only...
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Answered by
11
Step-by-step explanation:
- 1.7x- 5=22
1.7x=22+5
1.7x=27
x=27/1.7
x=15.8823529
2. 5x -12=2x-6
5x-2x=-6+12
3x=6
x=6/3
x=2
3. 7p-3=3p+8
7p-3p=8+3
4p=11
p=11/4
p=2.75
4. 8m+9=7m + 8
8m - 7m = 8-9
m=-1
5. 7z+13= 2z + 4
7z-2z=4-13
5z=-9
z= -9/5
z= 1.8
6. 9y+5= 15y-1
9y-15y=-1-5
-6y=-6
y= -6/-6
y= 1
7. 3x + 4= 5(x-2)
3x + 4 = 5x-10
3x-5x = -10-4
-2x= -14
x= -14/-2
x= 7
8. 3(t-3)= 5(2t -1)
3t - 9= 10t -5
3t-10t= -5 +9
-7t = 4
t= 4/-7
t= 0.571428571
ALL DONE.
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