3(5b)-7=13-(a+2)

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Solution for 3(5b)-7=13-(a+2) equation:


Simplifying
3(5b) + -7 = 13 + -1(a + 2)

Remove parenthesis around (5b)
3 * 5b + -7 = 13 + -1(a + 2)

Multiply 3 * 5
15b + -7 = 13 + -1(a + 2)

Reorder the terms:
-7 + 15b = 13 + -1(a + 2)

Reorder the terms:
-7 + 15b = 13 + -1(2 + a)
-7 + 15b = 13 + (2 * -1 + a * -1)
-7 + 15b = 13 + (-2 + -1a)

Combine like terms: 13 + -2 = 11
-7 + 15b = 11 + -1a

Solving
-7 + 15b = 11 + -1a

Solving for variable 'b'.

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

Add '7' to each side of the equation.
-7 + 7 + 15b = 11 + 7 + -1a

Combine like terms: -7 + 7 = 0
0 + 15b = 11 + 7 + -1a
15b = 11 + 7 + -1a

Combine like terms: 11 + 7 = 18
15b = 18 + -1a

Divide each side by '15'.
b = 1.2 + -0.06666666667a

Simplifying
b = 1.2 + -0.06666666667a

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