3x+4(x-10)=121

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Solution for 3x+4(x-10)=121 equation:


Simplifying
3x + 4(x + -10) = 121

Reorder the terms:
3x + 4(-10 + x) = 121
3x + (-10 * 4 + x * 4) = 121
3x + (-40 + 4x) = 121

Reorder the terms:
-40 + 3x + 4x = 121

Combine like terms: 3x + 4x = 7x
-40 + 7x = 121

Solving
-40 + 7x = 121

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + 7x = 121 + 40

Combine like terms: -40 + 40 = 0
0 + 7x = 121 + 40
7x = 121 + 40

Combine like terms: 121 + 40 = 161
7x = 161

Divide each side by '7'.
x = 23

Simplifying
x = 23

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