Question

Calcule
A)m+4-3m=4+12m

B)3+4m-9=6m-4+12

C)-5+3x+4-12+9x

D)3x+5-2=2x+12

E)3 (x+2)=15

F)-2m (-m+2)=3(2m+1)

G)12m+3 (m-1)= -2 (m+1)+12

H)2 (x-1)=0

I)-3 (m+2)=1

J)2 (x+2)=12

K)m = -3 (m-4)

L)2 (m+5) = -3 (m-5)

M)-2 (y+4) = -7+9 (y-1)

N)5 (x-4) = -4+9 (x-1)

O)-5 (x-4) + 4=2 (-2 x -2) +9

P)-2 (m-5) +3m = -(m+2) -7

Q)-(x+5) -6 = -9 (x-3) -2

R)x-7+2 (x-4)= -3 (x+2) -8

Answer 1

A)m+4-3m=4+12m

m-3m-12m=4-4
-10m=0
m=0/10
m=0

B)3+4m-9=6m-4+12
4m-6m= -4+12-3+9
-2m=14
m= -14/2
m= -7

C)-5+3x+4-12+9x
3x+9x-5+4-12
12x-9-12
12x-21=0
12x=21
x=21/12
x=7/4

D)3x+5-2=2x+12
3x-2x=12-5+2
x=9

E)3 (x+2)=15
3x+6=15
3x=15-6
3x=9
x=9/3
x=3

F)-2m+ (-m+2)=3(2m+1)

-2m -m+2=6m+3
-3m-6m=3-2
-9m=1
m= -1/9

G)12m+3 (m-1)= -2 (m+1)+12

12m+3m-3= -2m-2+12
15m+2m= 10+3
17m= 13
m=13/17

H)2 (x-1)=0
2x-2=0
2x=2
x=1

I)-3 (m+2)=1
-3m-6=1
-3m=1+6
-3m=7
m= -7/3

J)2 (x+2)=12
2x+4=12
2x=12-4
2x=8
x=4

K)m = -3 (m-4)
m= -3m+12
m+3m=12
4m=12
m=3

L)2 (m+5) = -3 (m-5)

2m+10=-3m+15
2m+3m=15-10
5m=5
m=1

M)-2 (y+4) = -7+9 (y-1)
-2y-8=-7+9y-9
-2y-9y=-16+8
-11y=-24
y=24/11

N)5 (x-4) = -4+9 (x-1)

5x-20=-4+9x-9
5x-9x=-13+20
-4x=7
x= -7/4

O)-5 (x-4) + 4=2 (-2 x -2) +9

-5x+20+4=-4x-4+9
-5x+4x=5-20-4
-x=-19
x=19

P)-2 (m-5) +3m = -(m+2) -7
-2m+10+3m=-m-2-7
m+m=-9-10-3
2m= -19-3
2m= -22
m=11

Q)-(x+5) -6 = -9 (x-3) -2

-x-5-6= -9X+27-2
-x+9x=27-2+9
8x=34
x=34/8
x=17/4

R)x-7+2 (x-4)= -3 (x+2) -8

x-7+2x-8=-3x-6-8
x+2x+3x=-14+7+8
6x=-7+8
6x= 1
x=1/6