8.A Rovnice
Riešte rovnice a urobte skúšku správnosti
- 9( x -4) – 5 x = x – 12
- 5x -9 (x – 4) = x – 12
- 7x-2(4x - 3) = 6 – x
- 8x-4( 3x – 4) = 15 – 4x
- 0,5.( 2a – 3 ) = 0,3.(3a+2 )
- 0,2. ( 1 – x ) = 0,6. ( x+3 )
- 7(x – 1)+ 5( -x +3) = 4
- 0,3(2 + 3x)= 0,5(2x – 3)
- 0,2 (1 -x) = 0,6(3 + x)
- 4(4 + 2x) = 134 - 7(3 - 5x)
- 7(2 + x) = 7(- 8x - 5) - 77
- 4(9 - 9x) = 5(4 + x) - 304
- 9(3x - 8) = 8(8 + 3x) - 109
- 7(7 + 6x) = - 7(3 - 3x) - 217
- 4(7 - x) = 69 - (5 + 8x)
- 6(5 + 8x) = 5(8x - 6) - 792
- 6(- 9x - 9) = - 4(7 - x) - 548
- 6(5 - x) = 7(4 + 6x) - 382
- 3(4x - 2) = (8 - 2x) - 84 -
- 7(5 - 6x) = - 3(3x - 3) - 401
- 3(3 - 7x) = - (7x - 5) - 66
- 3(- 4x - 9) = 6 - 5(4x - 3)
- 6(4 - 6x) = 2 + 5(7x - 7)
- 3(4 + 5x) = 6(6x - 9) - 123
- 9(x - 7) = - 7(1 + x) - 88
- 4(8 + 5x) = 86 + (2x - 8)
- (3 + 5x) = 22 - 2(8 - 2x)
- (7x - 3) = 37 - 2(5 - 4x)
- 16. (x - 3) + 2x = x + 6 + (x - 3)
- 2x + 3(2x - 5) = 3x + 2(6 - 2x)
- 2(x - 3) - (x - 2) = 4(2x - 1) – 7
- -8(-x + 5) -7(3x – 2)= 1 – 10x
- 4(x- 0,5) – 9(7 – 2x)= 3(5x+1) – 12
- 4(y + 2) – 7(2y – 1) = 30 – 9(3y – 4)
- 2(y – 1) – 3(y – 2) + (y – 3) = 2(y + 5)
- x – 4(x – 11) – 5(x – 16) = 4(x – 5)
- 10u + 2(7u – 2) = 5(4u + 3) + 3u
- 8(3z – 2) – 1 – 13z = 5(12 – 3z) +7z
- 2(3x – 10) – 27 + 3(10 – 2x) = 0
- 3(2x – 1) – 5(x – 3) + 6(3x – 4)= 83
- 8(7y – 4x) – 7(4x + 1) = 19 – 5(8x – 1)
- 3(2r + 1) + 7(6r – 1) = 5(12r – 7) + 23
- 8(3x - 2) = 15(4 - 2x) - 7(x + 2) + 30x
- 7(x + 3) = 49
- 3(x – 8)= 69
- 5(x + 2) + 9 = 54
- 7x – (x + 3) = 3(x + 1)
- 5(x – 10) = 25
- 4x – (x + 1) = 5
- 2(x + 2) = 3(x – 2)
- 3(x – 5) = 5(x – 3)
- 4(x – 1) = 2(x + 8)
- 7(x – 1) = 5(x + 1)
- 3(2 + x) – 4 = 2(2 + x)
- 6x + (x + 1) = 5(x + 1)
- 5(x – 4) + 1 = 3(x + 3)
- 7(x – 1) + 3 = 3(x – 1) + 3
- 2(x – 9) + 1 = 3(x – 3)
- 6(x – 2) + 1 = 3(x + 4) + 1
- 15(y + 2) = 6(2y + 7)
- 2(z – 1) – 5 = 3(3 + z) + z
- 2(y – 3) = y + 5
- –(x – 10) = 3x + 2
- 2(z–1) = 6 – 3(z + 1)
- 6(x – 3) = 10 – 2(x + 2)
- 5(x – 1) + 20 = 4(x – 3)
- 3x – (3x + 5) = 2(x – 2) – 3
- 4(2x + 1) + 7 = 7(4x – 3)