4x+21+3x+4=90

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Solution for 4x+21+3x+4=90 equation:


Simplifying
4x + 21 + 3x + 4 = 90

Reorder the terms:
21 + 4 + 4x + 3x = 90

Combine like terms: 21 + 4 = 25
25 + 4x + 3x = 90

Combine like terms: 4x + 3x = 7x
25 + 7x = 90

Solving
25 + 7x = 90

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + 7x = 90 + -25

Combine like terms: 25 + -25 = 0
0 + 7x = 90 + -25
7x = 90 + -25

Combine like terms: 90 + -25 = 65
7x = 65

Divide each side by '7'.
x = 9.285714286

Simplifying
x = 9.285714286

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