-3+7(1+7b)=-45

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Solution for -3+7(1+7b)=-45 equation:


Simplifying
-3 + 7(1 + 7b) = -45
-3 + (1 * 7 + 7b * 7) = -45
-3 + (7 + 49b) = -45

Combine like terms: -3 + 7 = 4
4 + 49b = -45

Solving
4 + 49b = -45

Solving for variable 'b'.

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

Add '-4' to each side of the equation.
4 + -4 + 49b = -45 + -4

Combine like terms: 4 + -4 = 0
0 + 49b = -45 + -4
49b = -45 + -4

Combine like terms: -45 + -4 = -49
49b = -49

Divide each side by '49'.
b = -1

Simplifying
b = -1

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