Solve each of the following equations :
(1) y + 9 = 13
(2) x - 7 = 20
(3) 4x = 28
(4) 3y = 36
(5) 11 + X = 19
(6) X/3 = 4
(7) 2x - 3 = 9
(8) 1/2 x 7 = 11
(9) 2y + 4 = 3y
(10) z - 3 = 2z - 5
( please answer as soon as possible -.- )
( with explanation )
Answers
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Step-by-step explanation:
y+9=13
y=13-9
y=4
x-7=20
x=20+7
x=27
4x=28
x=28/4
x=7
3y=36
y=12
11+x=19
x=8
x/3=4
x=12
2x-3=9
2x=12
x=6
2y+4=3y
y=4
z-3=2z-5
5-3=2z-z
2=z
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