3(x-21)+2(x-2)=18

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Solution for 3(x-21)+2(x-2)=18 equation:


Simplifying
3(x + -21) + 2(x + -2) = 18

Reorder the terms:
3(-21 + x) + 2(x + -2) = 18
(-21 * 3 + x * 3) + 2(x + -2) = 18
(-63 + 3x) + 2(x + -2) = 18

Reorder the terms:
-63 + 3x + 2(-2 + x) = 18
-63 + 3x + (-2 * 2 + x * 2) = 18
-63 + 3x + (-4 + 2x) = 18

Reorder the terms:
-63 + -4 + 3x + 2x = 18

Combine like terms: -63 + -4 = -67
-67 + 3x + 2x = 18

Combine like terms: 3x + 2x = 5x
-67 + 5x = 18

Solving
-67 + 5x = 18

Solving for variable 'x'.

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

Add '67' to each side of the equation.
-67 + 67 + 5x = 18 + 67

Combine like terms: -67 + 67 = 0
0 + 5x = 18 + 67
5x = 18 + 67

Combine like terms: 18 + 67 = 85
5x = 85

Divide each side by '5'.
x = 17

Simplifying
x = 17

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