Explicación paso a paso:
1.
2x + 4(5-9) + 3x + 1 = x + 5
2x + 4(-4) + 3x + 1 = x + 5
2x + (-16) + 3x + 1 = x + 5
5x - 16 + 1 = x + 5
5x -15 = x + 5
4x = 20
x = 5
2.
4(x+1) - 5(2x+1) = 3x - 10
4x + 4 -10x - 5 = 3x - 10
-6x - 1 = 3x - 10
9 = 9x
x = 1
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Explicación paso a paso:
1.
2x + 4(5-9) + 3x + 1 = x + 5
2x + 4(-4) + 3x + 1 = x + 5
2x + (-16) + 3x + 1 = x + 5
5x - 16 + 1 = x + 5
5x -15 = x + 5
4x = 20
x = 5
2.
4(x+1) - 5(2x+1) = 3x - 10
4x + 4 -10x - 5 = 3x - 10
-6x - 1 = 3x - 10
9 = 9x
x = 1