a-16=4a-7

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Solution for a-16=4a-7 equation:


Simplifying
a + -16 = 4a + -7

Reorder the terms:
-16 + a = 4a + -7

Reorder the terms:
-16 + a = -7 + 4a

Solving
-16 + a = -7 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-16 + a + -4a = -7 + 4a + -4a

Combine like terms: a + -4a = -3a
-16 + -3a = -7 + 4a + -4a

Combine like terms: 4a + -4a = 0
-16 + -3a = -7 + 0
-16 + -3a = -7

Add '16' to each side of the equation.
-16 + 16 + -3a = -7 + 16

Combine like terms: -16 + 16 = 0
0 + -3a = -7 + 16
-3a = -7 + 16

Combine like terms: -7 + 16 = 9
-3a = 9

Divide each side by '-3'.
a = -3

Simplifying
a = -3

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