Explanation:
3(-9x + 2) + 4 = 7 + 3/2 × (-8x - 8)
-27x + 6 + 4 = 7 + 3(-4x - 4) = 7 - 12x - 12
-27x + 10 = -12x - 5
15 = 15x
x = 1
so, the equation has 1 solution.
1.6m questions
2.0m answers