42=18b+4(t+5)

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Solution for 42=18b+4(t+5) equation:


Simplifying
42 = 18b + 4(t + 5)

Reorder the terms:
42 = 18b + 4(5 + t)
42 = 18b + (5 * 4 + t * 4)
42 = 18b + (20 + 4t)

Reorder the terms:
42 = 20 + 18b + 4t

Solving
42 = 20 + 18b + 4t

Solving for variable 'b'.

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

Add '-18b' to each side of the equation.
42 + -18b = 20 + 18b + -18b + 4t

Combine like terms: 18b + -18b = 0
42 + -18b = 20 + 0 + 4t
42 + -18b = 20 + 4t

Add '-42' to each side of the equation.
42 + -42 + -18b = 20 + -42 + 4t

Combine like terms: 42 + -42 = 0
0 + -18b = 20 + -42 + 4t
-18b = 20 + -42 + 4t

Combine like terms: 20 + -42 = -22
-18b = -22 + 4t

Divide each side by '-18'.
b = 1.222222222 + -0.2222222222t

Simplifying
b = 1.222222222 + -0.2222222222t

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