7(b+4)+2=4(21b+4)+6

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Solution for 7(b+4)+2=4(21b+4)+6 equation:


Simplifying
7(b + 4) + 2 = 4(21b + 4) + 6

Reorder the terms:
7(4 + b) + 2 = 4(21b + 4) + 6
(4 * 7 + b * 7) + 2 = 4(21b + 4) + 6
(28 + 7b) + 2 = 4(21b + 4) + 6

Reorder the terms:
28 + 2 + 7b = 4(21b + 4) + 6

Combine like terms: 28 + 2 = 30
30 + 7b = 4(21b + 4) + 6

Reorder the terms:
30 + 7b = 4(4 + 21b) + 6
30 + 7b = (4 * 4 + 21b * 4) + 6
30 + 7b = (16 + 84b) + 6

Reorder the terms:
30 + 7b = 16 + 6 + 84b

Combine like terms: 16 + 6 = 22
30 + 7b = 22 + 84b

Solving
30 + 7b = 22 + 84b

Solving for variable 'b'.

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

Add '-84b' to each side of the equation.
30 + 7b + -84b = 22 + 84b + -84b

Combine like terms: 7b + -84b = -77b
30 + -77b = 22 + 84b + -84b

Combine like terms: 84b + -84b = 0
30 + -77b = 22 + 0
30 + -77b = 22

Add '-30' to each side of the equation.
30 + -30 + -77b = 22 + -30

Combine like terms: 30 + -30 = 0
0 + -77b = 22 + -30
-77b = 22 + -30

Combine like terms: 22 + -30 = -8
-77b = -8

Divide each side by '-77'.
b = 0.1038961039

Simplifying
b = 0.1038961039

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