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Linear Equations in one variable — Maths STD 6 — Question

Maharashtra BoardEnglish MediumSTD 6MathsLinear Equations in one variable3 Marks
Question
Solve the following equation by trial and error method:
x - 7 = 10
✓

Answer

The given equation is x - 1 = 10
We guess and try several values of x to find L.H.S. and R.H.S. and stop when L.H.S. = R.H.S.
x L.H.S. R.H.S.
14 14 - 7 = 7 10
15 15 - 7 = 8 10
16 16 - 7 = 9 10
17 17 - 7 = 10 10
When x = 17, we have L.H.S. = R.H.S
So x = 17 is the solution of the given equation.

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