1)
[tex]5 \times x = 35[/tex]
[tex]5x = 35[/tex]
[tex]x = 35 \div 5 = 7[/tex]
2)
[tex]4 \times x + 1 = 25[/tex]
[tex]4x + 1 = 25[/tex]
[tex]4x = 25 - 1[/tex]
[tex]4x = 24[/tex]
[tex]x = 24 \div 4 = 6[/tex]
3)
[tex]2 - 6 \times x = - 4[/tex]
[tex]2 - 6x = - 4[/tex]
[tex] - 6x = - 4 - 2[/tex]
[tex] - 6x = - 6[/tex]
[tex]x = - 6 \div ( - 6) = 1[/tex]
4)
[tex] - 3 \times x + 7 + 2 \times x = 22[/tex]
[tex] - 3x + 7 + 2x = 22[/tex]
[tex] - 3x + 2x = 22 - 7[/tex]
[tex] - x = 15[/tex]
[tex]x = 15 \div ( - 1) = - 15[/tex]
5)
[tex]6 \times x + 4 = 4 \times x + 6[/tex]
[tex]6x + 4 = 4x + 6[/tex]
[tex]6x - 4x = 6 - 4[/tex]
[tex]2x = 2[/tex]
[tex]x = 2 \div 2 = 1[/tex]
