3x+7+7x+3=100

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Solution for 3x+7+7x+3=100 equation:


Simplifying
3x + 7 + 7x + 3 = 100

Reorder the terms:
7 + 3 + 3x + 7x = 100

Combine like terms: 7 + 3 = 10
10 + 3x + 7x = 100

Combine like terms: 3x + 7x = 10x
10 + 10x = 100

Solving
10 + 10x = 100

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 10x = 100 + -10

Combine like terms: 10 + -10 = 0
0 + 10x = 100 + -10
10x = 100 + -10

Combine like terms: 100 + -10 = 90
10x = 90

Divide each side by '10'.
x = 9

Simplifying
x = 9

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