(7x+3)+(3x-2)=90

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Solution for (7x+3)+(3x-2)=90 equation:


Simplifying
(7x + 3) + (3x + -2) = 90

Reorder the terms:
(3 + 7x) + (3x + -2) = 90

Remove parenthesis around (3 + 7x)
3 + 7x + (3x + -2) = 90

Reorder the terms:
3 + 7x + (-2 + 3x) = 90

Remove parenthesis around (-2 + 3x)
3 + 7x + -2 + 3x = 90

Reorder the terms:
3 + -2 + 7x + 3x = 90

Combine like terms: 3 + -2 = 1
1 + 7x + 3x = 90

Combine like terms: 7x + 3x = 10x
1 + 10x = 90

Solving
1 + 10x = 90

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 10x = 90 + -1

Combine like terms: 1 + -1 = 0
0 + 10x = 90 + -1
10x = 90 + -1

Combine like terms: 90 + -1 = 89
10x = 89

Divide each side by '10'.
x = 8.9

Simplifying
x = 8.9

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