Równania z jedną niewiadoma
1 .3/4x+2=1
2. 3/5p-1/5=2
3. y-3=7
4. 3t+2=5
5. 4(z+2)=8
6. 8(2x-1)+3(4-5)=0
7. 81-x=-13
1. 3/4x+2=1
3/4x=1-2
3/4x=-1/:(3/4)
x=-4/3
x=-1 i 1/3
3/5p=2+1/5
3/5p=2 i 1/5
3/5p=11/5 /:(3/5)
p=11/3
p=3 i 2/3
y=7+3
y=10
3t=5-2
3t=3/:3
t=1
4z+8=8
4z=8-8
4z=0/:4
z=0
16x-8+3(-1)=0
16x-8-3=0
16x=11/:16
x=11/16
-x=-13-81
-x=-94/:(-1)
x=94
1. 3/4x=1-2
3/4x=-1 / *4
3x=-4 /:3
x=1 1/3 (jedna cała i jedna trzecia)
2. 3/5p =2 1/5 /*5
3p=11 /:3
p=3 2/3
3. y=7+3
4. 3t =5-2
3t=3 /:3
5. 4z + 8 = 8
4z=0 /:4
6. 16x -8 +12-15=0
16x = 8+15-12
16x = 11 /:16
x= 11/16
7. -x=-13-81
-x=-94 /*(-1)
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1. 3/4x+2=1
3/4x=1-2
3/4x=-1/:(3/4)
x=-4/3
x=-1 i 1/3
2. 3/5p-1/5=2
3/5p=2+1/5
3/5p=2 i 1/5
3/5p=11/5 /:(3/5)
p=11/3
p=3 i 2/3
3. y-3=7
y=7+3
y=10
4. 3t+2=5
3t=5-2
3t=3/:3
t=1
5. 4(z+2)=8
4z+8=8
4z=8-8
4z=0/:4
z=0
6. 8(2x-1)+3(4-5)=0
16x-8+3(-1)=0
16x-8-3=0
16x=11/:16
x=11/16
7. 81-x=-13
-x=-13-81
-x=-94/:(-1)
x=94
1. 3/4x=1-2
3/4x=-1 / *4
3x=-4 /:3
x=1 1/3 (jedna cała i jedna trzecia)
2. 3/5p =2 1/5 /*5
3p=11 /:3
p=3 2/3
3. y=7+3
y=10
4. 3t =5-2
3t=3 /:3
t=1
5. 4z + 8 = 8
4z=0 /:4
z=0
6. 16x -8 +12-15=0
16x = 8+15-12
16x = 11 /:16
x= 11/16
7. -x=-13-81
-x=-94 /*(-1)
x=94