4(x+10)+15+x=20

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Solution for 4(x+10)+15+x=20 equation:


Simplifying
4(x + 10) + 15 + x = 20

Reorder the terms:
4(10 + x) + 15 + x = 20
(10 * 4 + x * 4) + 15 + x = 20
(40 + 4x) + 15 + x = 20

Reorder the terms:
40 + 15 + 4x + x = 20

Combine like terms: 40 + 15 = 55
55 + 4x + x = 20

Combine like terms: 4x + x = 5x
55 + 5x = 20

Solving
55 + 5x = 20

Solving for variable 'x'.

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

Add '-55' to each side of the equation.
55 + -55 + 5x = 20 + -55

Combine like terms: 55 + -55 = 0
0 + 5x = 20 + -55
5x = 20 + -55

Combine like terms: 20 + -55 = -35
5x = -35

Divide each side by '5'.
x = -7

Simplifying
x = -7

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