3(7-5b)+13=4

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Solution for 3(7-5b)+13=4 equation:


Simplifying
3(7 + -5b) + 13 = 4
(7 * 3 + -5b * 3) + 13 = 4
(21 + -15b) + 13 = 4

Reorder the terms:
21 + 13 + -15b = 4

Combine like terms: 21 + 13 = 34
34 + -15b = 4

Solving
34 + -15b = 4

Solving for variable 'b'.

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

Add '-34' to each side of the equation.
34 + -34 + -15b = 4 + -34

Combine like terms: 34 + -34 = 0
0 + -15b = 4 + -34
-15b = 4 + -34

Combine like terms: 4 + -34 = -30
-15b = -30

Divide each side by '-15'.
b = 2

Simplifying
b = 2

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