a-42=-4a-7

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Solution for a-42=-4a-7 equation:


Simplifying
a + -42 = -4a + -7

Reorder the terms:
-42 + a = -4a + -7

Reorder the terms:
-42 + a = -7 + -4a

Solving
-42 + 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.
-42 + a + 4a = -7 + -4a + 4a

Combine like terms: a + 4a = 5a
-42 + 5a = -7 + -4a + 4a

Combine like terms: -4a + 4a = 0
-42 + 5a = -7 + 0
-42 + 5a = -7

Add '42' to each side of the equation.
-42 + 42 + 5a = -7 + 42

Combine like terms: -42 + 42 = 0
0 + 5a = -7 + 42
5a = -7 + 42

Combine like terms: -7 + 42 = 35
5a = 35

Divide each side by '5'.
a = 7

Simplifying
a = 7

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