49m^2-7=42

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Solution for 49m^2-7=42 equation:


Simplifying
49m2 + -7 = 42

Reorder the terms:
-7 + 49m2 = 42

Solving
-7 + 49m2 = 42

Solving for variable 'm'.

Move all terms containing m to the left, all other terms to the right.

Add '7' to each side of the equation.
-7 + 7 + 49m2 = 42 + 7

Combine like terms: -7 + 7 = 0
0 + 49m2 = 42 + 7
49m2 = 42 + 7

Combine like terms: 42 + 7 = 49
49m2 = 49

Divide each side by '49'.
m2 = 1

Simplifying
m2 = 1

Take the square root of each side:
m = {-1, 1}

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