4x+3(x+10)=100

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Solution for 4x+3(x+10)=100 equation:


Simplifying
4x + 3(x + 10) = 100

Reorder the terms:
4x + 3(10 + x) = 100
4x + (10 * 3 + x * 3) = 100
4x + (30 + 3x) = 100

Reorder the terms:
30 + 4x + 3x = 100

Combine like terms: 4x + 3x = 7x
30 + 7x = 100

Solving
30 + 7x = 100

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + 7x = 100 + -30

Combine like terms: 30 + -30 = 0
0 + 7x = 100 + -30
7x = 100 + -30

Combine like terms: 100 + -30 = 70
7x = 70

Divide each side by '7'.
x = 10

Simplifying
x = 10

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