249=4b+7(-6b+3)

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Solution for 249=4b+7(-6b+3) equation:


Simplifying
249 = 4b + 7(-6b + 3)

Reorder the terms:
249 = 4b + 7(3 + -6b)
249 = 4b + (3 * 7 + -6b * 7)
249 = 4b + (21 + -42b)

Reorder the terms:
249 = 21 + 4b + -42b

Combine like terms: 4b + -42b = -38b
249 = 21 + -38b

Solving
249 = 21 + -38b

Solving for variable 'b'.

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

Add '38b' to each side of the equation.
249 + 38b = 21 + -38b + 38b

Combine like terms: -38b + 38b = 0
249 + 38b = 21 + 0
249 + 38b = 21

Add '-249' to each side of the equation.
249 + -249 + 38b = 21 + -249

Combine like terms: 249 + -249 = 0
0 + 38b = 21 + -249
38b = 21 + -249

Combine like terms: 21 + -249 = -228
38b = -228

Divide each side by '38'.
b = -6

Simplifying
b = -6

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