x+3+B+2x-7=20

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Solution for x+3+B+2x-7=20 equation:


Simplifying
x + 3 + B + 2x + -7 = 20

Reorder the terms:
3 + -7 + B + x + 2x = 20

Combine like terms: 3 + -7 = -4
-4 + B + x + 2x = 20

Combine like terms: x + 2x = 3x
-4 + B + 3x = 20

Solving
-4 + B + 3x = 20

Solving for variable 'B'.

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

Add '4' to each side of the equation.
-4 + B + 4 + 3x = 20 + 4

Reorder the terms:
-4 + 4 + B + 3x = 20 + 4

Combine like terms: -4 + 4 = 0
0 + B + 3x = 20 + 4
B + 3x = 20 + 4

Combine like terms: 20 + 4 = 24
B + 3x = 24

Add '-3x' to each side of the equation.
B + 3x + -3x = 24 + -3x

Combine like terms: 3x + -3x = 0
B + 0 = 24 + -3x
B = 24 + -3x

Simplifying
B = 24 + -3x

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