4(7-2b)+3(4b+3)-7(b-3)=48

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Solution for 4(7-2b)+3(4b+3)-7(b-3)=48 equation:


Simplifying
4(7 + -2b) + 3(4b + 3) + -7(b + -3) = 48
(7 * 4 + -2b * 4) + 3(4b + 3) + -7(b + -3) = 48
(28 + -8b) + 3(4b + 3) + -7(b + -3) = 48

Reorder the terms:
28 + -8b + 3(3 + 4b) + -7(b + -3) = 48
28 + -8b + (3 * 3 + 4b * 3) + -7(b + -3) = 48
28 + -8b + (9 + 12b) + -7(b + -3) = 48

Reorder the terms:
28 + -8b + 9 + 12b + -7(-3 + b) = 48
28 + -8b + 9 + 12b + (-3 * -7 + b * -7) = 48
28 + -8b + 9 + 12b + (21 + -7b) = 48

Reorder the terms:
28 + 9 + 21 + -8b + 12b + -7b = 48

Combine like terms: 28 + 9 = 37
37 + 21 + -8b + 12b + -7b = 48

Combine like terms: 37 + 21 = 58
58 + -8b + 12b + -7b = 48

Combine like terms: -8b + 12b = 4b
58 + 4b + -7b = 48

Combine like terms: 4b + -7b = -3b
58 + -3b = 48

Solving
58 + -3b = 48

Solving for variable 'b'.

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

Add '-58' to each side of the equation.
58 + -58 + -3b = 48 + -58

Combine like terms: 58 + -58 = 0
0 + -3b = 48 + -58
-3b = 48 + -58

Combine like terms: 48 + -58 = -10
-3b = -10

Divide each side by '-3'.
b = 3.333333333

Simplifying
b = 3.333333333

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