42-(-47)

Let's calculate: 42 -(-47)
ⓘ Subtract a negative number by adding its opposite: the two minus signs become a plus: -(-47) = 47
42 + 47
ⓘ Start from 42 and move forward 47 on the number line: 42 + 47 = 89
▶Result:   89

The 100% free maths solver with steps

New chat

100% free
  • Access to every feature and every step
  • Unlimited queries
  • No signup required

Simple
  • Queries in natural language
  • Detailed explanations for every step
  • A simple interface for desktop and mobile

Reliable and lean
  • Fast calculations
  • Reproducible results
  • No AI, low energy use

For everyone
  • Calculation, differentiation, integration, solving, factoring, graphing...
  • Pupils, students, individuals, teachers…
  • Through high school and beyond