Permanently frozen soil beneath the surface in polar and near-polar areas?

What is the earth matial ot igneous rock

Click the item in the left column. use the plus sign to move it up or the minus sign to move it down until it matches the correct entry in the right column. lock your answer in place by clicking the square beside the item. (a checkmark means it is locked.) amazon basin a atacama desert b andes mountains c lake titicaca d peru e patagonia f brazil g chile h suriname

What is the missing step in solving the inequality 5 - 8x < 2x + 3?