2x+3=3x
3x-2x = 3
x = 3
(3+a)/4 = 12
3+a = 4*12
a = 48 - 3
a = 45
5-x=3x+4
5 - 4 = 4x
x = (5-4)/4
x = 0.25
x-7+8x=9x-3-4x
9x-7=5x-3
9x-5x=4
4x=4
x = 1
11x + 42 -2x = 100-9x-22
9x+42 = 78-9x
18x=36
x = 2
3x-20+6x-2=8x-10+2x
9x -22=10x-10
x = -12
8*(x+3)=48
8x + 24 = 48
8x = 24
x = 3
(z+2)*4=60
4z+8=60
4z=52
z =13
5*(x-1)=30
5x-5=30
5x=35
x=7
(2x-1)*9=36
18x-9=36
18x=45
x = 2,5
3*(y-5)+8=17
3y-15+8=17
3y-7=17
3y=24
y = 8
15*(x+2)=6*(2x+7)
15x+30=12x+42
3x=12
x=4
5*(x+3)=8*(10-x)
5x+15=80-8x
13x=65
x = 5
8*(9+2x)=5*(2-3x)
72+16x=10-15x
x = -62
6*(x-3)-10=2*(x+2)
6x-18 - 10 = 2x+4
6x-28 = 2x+4
4x = 32
x=8
5*(x-1)+20=4*(x-3)
5x-5+20=4x-12
x = -27
10y + 2(7y-2)=5*(4y+3)+3y
10y + 14y-4=20y+15+3y
24y - 4 = 23y+15
y = 19
8*(3z-2)-13z=5*(12-3z)+7z
24z-16-13z=60-15z+7z
11z-16=60-8z
19z=76
z=4
1/3 * ( 2x-3) = 4x + 1/6x
2/3x - 1 = 4x + 1/6x
-1 = 3x + 1/2x
x = -1/3,5 = -10/35
2/3*(9-12x)=1/5*(10x-4)
6 - 8x = 2x - 0,8
10 x = 6,8
x = 6,8 / 10 = 0,68
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