7(5x+4)+21=

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Solution for 7(5x+4)+21= equation:


Simplifying
7(5x + 4) + 21 = 0

Reorder the terms:
7(4 + 5x) + 21 = 0
(4 * 7 + 5x * 7) + 21 = 0
(28 + 35x) + 21 = 0

Reorder the terms:
28 + 21 + 35x = 0

Combine like terms: 28 + 21 = 49
49 + 35x = 0

Solving
49 + 35x = 0

Solving for variable 'x'.

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

Add '-49' to each side of the equation.
49 + -49 + 35x = 0 + -49

Combine like terms: 49 + -49 = 0
0 + 35x = 0 + -49
35x = 0 + -49

Combine like terms: 0 + -49 = -49
35x = -49

Divide each side by '35'.
x = -1.4

Simplifying
x = -1.4

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