100[0.07(x+3)]=

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Solution for 100[0.07(x+3)]= equation:


Simplifying
100[0.07(x + 3)] = 0

Reorder the terms:
100[0.07(3 + x)] = 0
100[(3 * 0.07 + x * 0.07)] = 0
100[(0.21 + 0.07x)] = 0
[0.21 * 100 + 0.07x * 100] = 0
[21 + 7x] = 0

Solving
21 + 7x = 0

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 7x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 7x = 0 + -21
7x = 0 + -21

Combine like terms: 0 + -21 = -21
7x = -21

Divide each side by '7'.
x = -3

Simplifying
x = -3

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