7(x+20)-10=x+4

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Solution for 7(x+20)-10=x+4 equation:


Simplifying
7(x + 20) + -10 = x + 4

Reorder the terms:
7(20 + x) + -10 = x + 4
(20 * 7 + x * 7) + -10 = x + 4
(140 + 7x) + -10 = x + 4

Reorder the terms:
140 + -10 + 7x = x + 4

Combine like terms: 140 + -10 = 130
130 + 7x = x + 4

Reorder the terms:
130 + 7x = 4 + x

Solving
130 + 7x = 4 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
130 + 7x + -1x = 4 + x + -1x

Combine like terms: 7x + -1x = 6x
130 + 6x = 4 + x + -1x

Combine like terms: x + -1x = 0
130 + 6x = 4 + 0
130 + 6x = 4

Add '-130' to each side of the equation.
130 + -130 + 6x = 4 + -130

Combine like terms: 130 + -130 = 0
0 + 6x = 4 + -130
6x = 4 + -130

Combine like terms: 4 + -130 = -126
6x = -126

Divide each side by '6'.
x = -21

Simplifying
x = -21

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