-3x+47+7x+15=90

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Solution for -3x+47+7x+15=90 equation:


Simplifying
-3x + 47 + 7x + 15 = 90

Reorder the terms:
47 + 15 + -3x + 7x = 90

Combine like terms: 47 + 15 = 62
62 + -3x + 7x = 90

Combine like terms: -3x + 7x = 4x
62 + 4x = 90

Solving
62 + 4x = 90

Solving for variable 'x'.

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

Add '-62' to each side of the equation.
62 + -62 + 4x = 90 + -62

Combine like terms: 62 + -62 = 0
0 + 4x = 90 + -62
4x = 90 + -62

Combine like terms: 90 + -62 = 28
4x = 28

Divide each side by '4'.
x = 7

Simplifying
x = 7

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