AIUDAA DOY CORONA :fasha: X2
3) Resuelve y verifica esta ecuación
2x+6 (x+1)=3x(x-4)
3) Resuelve y verifica esta ecuación
2x+6 (x+1)=3x(x-4)
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3x + 4 = 22
3x = 22 - 4
3x = 18
x = 18/3
x = 6
x : 3 + 1 = 16
x : 3 = 16 - 1
x : 3 = 15
x = 15 * 3
x = 45
(2x + 4) : 2 = 5
2(x+2)/2 = 5
x + 2 = 5
x = 5 - 2
x = 3
3x2 + 2 = 14
3x2 = 14 - 2
3x2 = 12
x2 = 12/3
x2 = 4
x = 2
5(x + 2) = 15
x + 2 = 15/5
x + 2 = 3
x = 3 - 2
x = 1
x + 8 = 15
x = 15 - 8
x = 7
6x – 5 = 3x + 4
6x - 3x = 4 + 5
3x = 9
x = 9/3
x = 3
6x + 2 = 18 + 2x
6x - 2x = 18 - 2
4x = 16
x = 16/4
x = 4
5x + 2 + x = 2x + 6 + 2x
5x + x - 2x - 2x = 6 - 2
6x - 2x - 2x = 4
4x - 2x = 4
2x = 4
x = 4/2
x = 2
3(x + 1) = 2x + 5
3x + 3 = 2x + 5
3x - 2x = 5 - 3
x = 2
3 (2x + 3) = 5x + 12
6x + 9 = 5x + 12
6x - 5x = 12 - 9
x = 3
3 (3x + 2) = 2 (8 + 2x)
9x + 6 = 16 + 4
9x - 4x = 16 - 6
5x = 10
x = 10/5
x = 2