13-4d=49-7a

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Solution for 13-4d=49-7a equation: 


Simplifying
13 + -4d = 49 + -7a

Solving
13 + -4d = 49 + -7a

Solving for variable 'd'.

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

Add '-13' to each side of the equation.
13 + -13 + -4d = 49 + -13 + -7a

Combine like terms: 13 + -13 = 0
0 + -4d = 49 + -13 + -7a
-4d = 49 + -13 + -7a

Combine like terms: 49 + -13 = 36
-4d = 36 + -7a

Divide each side by '-4'.
d = -9 + 1.75a

Simplifying
d = -9 + 1.75a

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