7a + 3 = 31

Solving a linear equation with 'a'

7a + 3 = 31
7
a
+3
=
31

Frequently asked questions

How do you solve 7a + 3 = 31?
Work through it one step at a time — the interactive walkthrough above shows exactly how each step is calculated, not just the final answer.
What topic is "7a + 3 = 31" an example of?
This is an Algebra question, solved here with a step-by-step visual explanation.
Can I practise more questions like "7a + 3 = 31"?
Yes — use the "Ask your own question" box above to try any similar algebra question and get an interactive step-by-step solution.
Is "7a + 3 = 31" solved with a calculator, or manually?
The steps shown here are the same manual method a teacher would use at the board, so you can see how the answer is reached, not just what it is.
Why does showing each step matter for "7a + 3 = 31"?
Writing out each step makes it possible to check the working, catch mistakes early, and understand the method well enough to reuse it on a different question.