Question

question
solve the inequality and graph the solution on the line provided.
4x + 45 ≤ 57
answer attempt 2 out of 2
< > ≤ ≥ or
inequality notation:
number line:
-12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12
click and drag to plot line.
submit answer

Explanation:

Step1: 移项

$4x\leq57 - 45$

Step2: 计算

$4x\leq12$

Step3: 求解x

$x\leq\frac{12}{4}$，即$x\leq3$

Answer:

Inequality Notation: $x\leq3$
Number Line: 在数轴上找到3这个点，用实心点表示（因为包含3），然后向左画一条线表示所有小于等于3的数。