a) -3 (2+x) = 1 - 5x => -6x - 3x = 1 - 5x => -6x -3x +5x = 1 => -4x = 1 => x = -1/4
b) 4 - 7(2 - x) + 2x = 6 (x + 2) => 4 - 14 +7x + 2x = 6x +12 => 4 - 14 - 12 = -2x +6x => -22 = 4x => x = -22/4 = -11/2
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a)-3(2+x)=1-5x
- 6 - 3x = 1 - 5x
- 3x + 5x = 1 + 6
2x = 7
x = 7/2
x = 3,5
b)
4-7(2-x)+2x=6(x+2)
4 - 14 + 7x + 2x = 6x + 12
7x + 2x - 6x = 12 - 4 + 14
3x = 22
x = 22/3
a) -3 (2+x) = 1 - 5x => -6x - 3x = 1 - 5x => -6x -3x +5x = 1 => -4x = 1 => x = -1/4
b) 4 - 7(2 - x) + 2x = 6 (x + 2) => 4 - 14 +7x + 2x = 6x +12 => 4 - 14 - 12 = -2x +6x => -22 = 4x => x = -22/4 = -11/2