It cannot be simplified any further so it is:
-2x - 2z - 7
2z-28 = -26
3xz
7 - 2x
6 - x + 7 - 3x - 5 = -2x - 10 ∴ x + 3x - 2x = 6 + 7 - 5 + 10 ∴ 2x = 18 ∴ x = 9
To solve the system of equations: ( w + x + y + z = 2 ) ( 2w - x - y + 2z = 7 ) ( 2w + 3x + 2y - z = -2 ) ( 3w - 2x - y - 3z = -2 ) You can use methods such as substitution or elimination. Solving these equations yields the values of ( w, x, y, ) and ( z ). After performing the calculations, the solution is ( w = 2, x = 1, y = -1, z = 0 ).
2z-28 = -26
3xz
(2x - 7)(x + 1)
(-3) x (-2z - 7) = 6z + 21 = 3 (2z + 7)
7 - 2x
4x - 7 = 2x + 5 2x - 7 = 5 2x = 12 x = 6.
6 - x + 7 - 3x - 5 = -2x - 10 ∴ x + 3x - 2x = 6 + 7 - 5 + 10 ∴ 2x = 18 ∴ x = 9
2x+3-7=0 2x=4 x=2
3x+7=2x-5 x=-12
(x - 2)(2x + 7)
6
2x