3x+1+4x-2=90

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Solution for 3x+1+4x-2=90 equation:


Simplifying
3x + 1 + 4x + -2 = 90

Reorder the terms:
1 + -2 + 3x + 4x = 90

Combine like terms: 1 + -2 = -1
-1 + 3x + 4x = 90

Combine like terms: 3x + 4x = 7x
-1 + 7x = 90

Solving
-1 + 7x = 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 + 7x = 90 + 1

Combine like terms: -1 + 1 = 0
0 + 7x = 90 + 1
7x = 90 + 1

Combine like terms: 90 + 1 = 91
7x = 91

Divide each side by '7'.
x = 13

Simplifying
x = 13

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