Competition problem — Algebra — Maths Olympiad Prep

Library / /9 of 144

Algebra Difficulty 1.7 Junior Find the answer

Solve for $x$ in the equation $(-1)(2)(x)(4)=24$ .

Your answer

A number or a short expression. Spacing and $ signs are ignored.

Solution

Since $(-1)(2)(x)(4)=24$ , then $-8x=24$ or $x=\frac{24}{-8}=-3$ .

Want a route through all this instead of an archive? The track puts 2,000 problems in a working order, from AMC 10 level to the IMO shortlist.

Source: Omni-MATH, licensed Apache-2.0. Statement and solution reproduced as published; topic and difficulty added by this site.