algebra 1 help
posted by yesica on .
42(X5)≤4X1
2x+10≤4x1
+2x +2x
4+10≤6x1
+1 +1
4+11≤6x
answer is 15 ≤6x

watch the order of operation ...
42(X5)≤4X1
4  2x + 10 ≤ 4x  1
2x  4x≤ 1  4  10
6x ≤ 15
6x ≥ 15
x ≥ 15/6
x ≥ 5/2