2100=4a-300

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Solution for 2100=4a-300 equation:


Simplifying
2100 = 4a + -300

Reorder the terms:
2100 = -300 + 4a

Solving
2100 = -300 + 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.
2100 + -4a = -300 + 4a + -4a

Combine like terms: 4a + -4a = 0
2100 + -4a = -300 + 0
2100 + -4a = -300

Add '-2100' to each side of the equation.
2100 + -2100 + -4a = -300 + -2100

Combine like terms: 2100 + -2100 = 0
0 + -4a = -300 + -2100
-4a = -300 + -2100

Combine like terms: -300 + -2100 = -2400
-4a = -2400

Divide each side by '-4'.
a = 600

Simplifying
a = 600

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