11+(3a-7a)=-21

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Solution for 11+(3a-7a)=-21 equation:


Simplifying
11 + (3a + -7a) = -21

Combine like terms: 3a + -7a = -4a
11 + (-4a) = -21
11 + (-4a) = -21

Solving
11 + (-4a) = -21

Solving for variable 'a'.

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

Add '-11' to each side of the equation.
11 + -11 + (-4a) = -21 + -11

Combine like terms: 11 + -11 = 0
0 + (-4a) = -21 + -11
(-4a) = -21 + -11

Combine like terms: -21 + -11 = -32
(-4a) = -32

Divide each side by '-4'.
a = 8

Simplifying
a = 8

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