4(5+2x)-5=3(x+7)

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Solution for 4(5+2x)-5=3(x+7) equation: 


Simplifying
4(5 + 2x) + -5 = 3(x + 7)
(5 * 4 + 2x * 4) + -5 = 3(x + 7)
(20 + 8x) + -5 = 3(x + 7)

Reorder the terms:
20 + -5 + 8x = 3(x + 7)

Combine like terms: 20 + -5 = 15
15 + 8x = 3(x + 7)

Reorder the terms:
15 + 8x = 3(7 + x)
15 + 8x = (7 * 3 + x * 3)
15 + 8x = (21 + 3x)

Solving
15 + 8x = 21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
15 + 8x + -3x = 21 + 3x + -3x

Combine like terms: 8x + -3x = 5x
15 + 5x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
15 + 5x = 21 + 0
15 + 5x = 21

Add '-15' to each side of the equation.
15 + -15 + 5x = 21 + -15

Combine like terms: 15 + -15 = 0
0 + 5x = 21 + -15
5x = 21 + -15

Combine like terms: 21 + -15 = 6
5x = 6

Divide each side by '5'.
x = 1.2

Simplifying
x = 1.2

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