3a-(4a+7)=7

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Solution for 3a-(4a+7)=7 equation:


Simplifying
3a + -1(4a + 7) = 7

Reorder the terms:
3a + -1(7 + 4a) = 7
3a + (7 * -1 + 4a * -1) = 7
3a + (-7 + -4a) = 7

Reorder the terms:
-7 + 3a + -4a = 7

Combine like terms: 3a + -4a = -1a
-7 + -1a = 7

Solving
-7 + -1a = 7

Solving for variable 'a'.

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

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

Combine like terms: -7 + 7 = 0
0 + -1a = 7 + 7
-1a = 7 + 7

Combine like terms: 7 + 7 = 14
-1a = 14

Divide each side by '-1'.
a = -14

Simplifying
a = -14

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