Answer:
Step 1 - Subtract 12 from both sides of the equation.
Step 2 - Simplify.
Step 3 - Subtract 10x from both sides of the equation.+
Step 4 - Simplify
Step 5 - Divide both sides of the equation by the same term.
Step 6 - Simplify
All this would equal to,
x = 4
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Explanation: