(3a-4a)+7=

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


Simplifying
(3a + -4a) + 7 = 0

Combine like terms: 3a + -4a = -1a
(-1a) + 7 = 0
(-1a) + 7 = 0

Reorder the terms:
7 + (-1a) = 0

Solving
7 + (-1a) = 0

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) = 0 + -7

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

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

Divide each side by '-1'.
a = 7

Simplifying
a = 7

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