Answer:
Step-by-step explanation:
4x + 7 + 3x = 19 + x
=> 7x + 7 = 19 + x
=> 7x - x = 19 - 7
=> 6x = 12
=> x = 12/6 (by transposing)
=> x = 2
Hope you understood!!
[tex]4x + 7 + 3x = 19 + x\\\\\implies 7x +7 = 19 +x\\\\\implies 7x -x = 19-7\\\\\implies 6x = 12\\\\\implies x = \dfrac{12}6 =2[/tex]