Question

4(x-1)-3≤ -(x+7)+8 решите уравнение​

Answer 1

$4(x-1)-3\leq -(x+7)+8\\\\4x-4-3\leq -x-7+8\\\\4x+x\leq -7+8+4+3\\\\5x\leq8\\\\x\leq 8:5\\\\x\leq 1,6$

x ∈ ( -∞ ; 1,6 ]