4(X+7)-2=7(X+5)-21

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Solution for 4(X+7)-2=7(X+5)-21 equation:


Simplifying
4(X + 7) + -2 = 7(X + 5) + -21

Reorder the terms:
4(7 + X) + -2 = 7(X + 5) + -21
(7 * 4 + X * 4) + -2 = 7(X + 5) + -21
(28 + 4X) + -2 = 7(X + 5) + -21

Reorder the terms:
28 + -2 + 4X = 7(X + 5) + -21

Combine like terms: 28 + -2 = 26
26 + 4X = 7(X + 5) + -21

Reorder the terms:
26 + 4X = 7(5 + X) + -21
26 + 4X = (5 * 7 + X * 7) + -21
26 + 4X = (35 + 7X) + -21

Reorder the terms:
26 + 4X = 35 + -21 + 7X

Combine like terms: 35 + -21 = 14
26 + 4X = 14 + 7X

Solving
26 + 4X = 14 + 7X

Solving for variable 'X'.

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

Add '-7X' to each side of the equation.
26 + 4X + -7X = 14 + 7X + -7X

Combine like terms: 4X + -7X = -3X
26 + -3X = 14 + 7X + -7X

Combine like terms: 7X + -7X = 0
26 + -3X = 14 + 0
26 + -3X = 14

Add '-26' to each side of the equation.
26 + -26 + -3X = 14 + -26

Combine like terms: 26 + -26 = 0
0 + -3X = 14 + -26
-3X = 14 + -26

Combine like terms: 14 + -26 = -12
-3X = -12

Divide each side by '-3'.
X = 4

Simplifying
X = 4

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