-2+4(1+7b)=142

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Solution for -2+4(1+7b)=142 equation:


Simplifying
-2 + 4(1 + 7b) = 142
-2 + (1 * 4 + 7b * 4) = 142
-2 + (4 + 28b) = 142

Combine like terms: -2 + 4 = 2
2 + 28b = 142

Solving
2 + 28b = 142

Solving for variable 'b'.

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

Add '-2' to each side of the equation.
2 + -2 + 28b = 142 + -2

Combine like terms: 2 + -2 = 0
0 + 28b = 142 + -2
28b = 142 + -2

Combine like terms: 142 + -2 = 140
28b = 140

Divide each side by '28'.
b = 5

Simplifying
b = 5

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