7x+3=2(5x-15)

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Solution for 7x+3=2(5x-15) equation:


Simplifying
7x + 3 = 2(5x + -15)

Reorder the terms:
3 + 7x = 2(5x + -15)

Reorder the terms:
3 + 7x = 2(-15 + 5x)
3 + 7x = (-15 * 2 + 5x * 2)
3 + 7x = (-30 + 10x)

Solving
3 + 7x = -30 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
3 + 7x + -10x = -30 + 10x + -10x

Combine like terms: 7x + -10x = -3x
3 + -3x = -30 + 10x + -10x

Combine like terms: 10x + -10x = 0
3 + -3x = -30 + 0
3 + -3x = -30

Add '-3' to each side of the equation.
3 + -3 + -3x = -30 + -3

Combine like terms: 3 + -3 = 0
0 + -3x = -30 + -3
-3x = -30 + -3

Combine like terms: -30 + -3 = -33
-3x = -33

Divide each side by '-3'.
x = 11

Simplifying
x = 11

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